8520974 has 16 divisors (see below), whose sum is σ = 15935616. Its totient is φ = 3319800.

The previous prime is 8520973. The next prime is 8520979. The reversal of 8520974 is 4790258.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27512 + ... + 27819.

It is an arithmetic number, because the mean of its divisors is an integer number (995976).

Almost surely, 2^8520974 is an apocalyptic number.

8520974 is a deficient number, since it is larger than the sum of its proper divisors (7414642).

8520974 is a wasteful number, since it uses less digits than its factorization.

8520974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55351.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 8520974 is about 2919.0707425480. The cubic root of 8520974 is about 204.2504772852.

The spelling of 8520974 in words is "eight million, five hundred twenty thousand, nine hundred seventy-four".