84954915 has 24 divisors (see below), whose sum is σ = 148692960. Its totient is φ = 44866944.

The previous prime is 84954913. The next prime is 84954917. The reversal of 84954915 is 51945948.

It is an interprime number because it is at equal distance from previous prime (84954913) and next prime (84954917).

It is not a de Polignac number, because 84954915 - 2¹ = 84954913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (84954913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4530 + ... + 13799.

It is an arithmetic number, because the mean of its divisors is an integer number (6195540).

Almost surely, 2^84954915 is an apocalyptic number.

84954915 is a deficient number, since it is larger than the sum of its proper divisors (63738045).

84954915 is a wasteful number, since it uses less digits than its factorization.

84954915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443 (or 18440 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 84954915 is about 9217.0990555597. The cubic root of 84954915 is about 439.6052157946.

The spelling of 84954915 in words is "eighty-four million, nine hundred fifty-four thousand, nine hundred fifteen".