84370913 has 4 divisors (see below), whose sum is σ = 92041008. Its totient is φ = 76700820.

The previous prime is 84370903. The next prime is 84370927. The reversal of 84370913 is 31907348.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84370913 - 2²² = 80176609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84370903) 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, 3835031 + ... + 3835052.

It is an arithmetic number, because the mean of its divisors is an integer number (23010252).

Almost surely, 2^84370913 is an apocalyptic number.

It is an amenable number.

84370913 is a deficient number, since it is larger than the sum of its proper divisors (7670095).

84370913 is a wasteful number, since it uses less digits than its factorization.

84370913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670094.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 84370913 is about 9185.3640646411. The cubic root of 84370913 is about 438.5955788632.

The spelling of 84370913 in words is "eighty-four million, three hundred seventy thousand, nine hundred thirteen".