853979024 has 20 divisors (see below), whose sum is σ = 1659031836. Its totient is φ = 425841792.

The previous prime is 853979023. The next prime is 853979033. The reversal of 853979024 is 420979358.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 222964624 + 631014400 = 14932^2 + 25120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 853979024.

It is not an unprimeable number, because it can be changed into a prime (853979023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65579 + ... + 77514.

Almost surely, 2^853979024 is an apocalyptic number.

It is an amenable number.

853979024 is a deficient number, since it is larger than the sum of its proper divisors (805052812).

853979024 is a wasteful number, since it uses less digits than its factorization.

853979024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143474 (or 143468 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 853979024 is about 29222.9194982295. The cubic root of 853979024 is about 948.7440555498.

The spelling of 853979024 in words is "eight hundred fifty-three million, nine hundred seventy-nine thousand, twenty-four".