84954869 has 4 divisors (see below), whose sum is σ = 85706796. Its totient is φ = 84202944.

The previous prime is 84954851. The next prime is 84954887. The reversal of 84954869 is 96845948.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (84954851) and next prime (84954887).

It can be written as a sum of positive squares in 2 ways, for example, as 27952369 + 57002500 = 5287^2 + 7550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84954869 is a prime.

It is a super-2 number, since 2×84954869² = 14434659533614322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84954869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84954169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375794 + ... + 376019.

It is an arithmetic number, because the mean of its divisors is an integer number (21426699).

Almost surely, 2^84954869 is an apocalyptic number.

It is an amenable number.

84954869 is a deficient number, since it is larger than the sum of its proper divisors (751927).

84954869 is a wasteful number, since it uses less digits than its factorization.

84954869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751926.

The product of its digits is 2488320, while the sum is 53.

The square root of 84954869 is about 9217.0965601973. The cubic root of 84954869 is about 439.6051364512.

The spelling of 84954869 in words is "eighty-four million, nine hundred fifty-four thousand, eight hundred sixty-nine".