84349541 has 4 divisors (see below), whose sum is σ = 85123500. Its totient is φ = 83575584.

The previous prime is 84349513. The next prime is 84349567. The reversal of 84349541 is 14594348.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39325441 + 45024100 = 6271^2 + 6710^2 .

It is a cyclic number.

It is not a de Polignac number, because 84349541 - 2⁶ = 84349477 is a prime.

It is a super-2 number, since 2×84349541² = 14229690133821362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84349495 and 84349504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84349511) 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 3 ways as a sum of consecutive naturals, for example, 386816 + ... + 387033.

It is an arithmetic number, because the mean of its divisors is an integer number (21280875).

Almost surely, 2^84349541 is an apocalyptic number.

It is an amenable number.

84349541 is a deficient number, since it is larger than the sum of its proper divisors (773959).

84349541 is a wasteful number, since it uses less digits than its factorization.

84349541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773958.

The product of its digits is 69120, while the sum is 38.

The square root of 84349541 is about 9184.2006184534. The cubic root of 84349541 is about 438.5585421801.

The spelling of 84349541 in words is "eighty-four million, three hundred forty-nine thousand, five hundred forty-one".