921616352 has 24 divisors (see below), whose sum is σ = 1839992112. Its totient is φ = 454316800.

The previous prime is 921616349. The next prime is 921616379. The reversal of 921616352 is 253616129.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200549 + ... + 205092.

It is an arithmetic number, because the mean of its divisors is an integer number (76666338).

Almost surely, 2^921616352 is an apocalyptic number.

It is an amenable number.

921616352 is a deficient number, since it is larger than the sum of its proper divisors (918375760).

921616352 is a wasteful number, since it uses less digits than its factorization.

921616352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405722 (or 405714 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 921616352 is about 30358.1348570692. The cubic root of 921616352 is about 973.1580748229.

The spelling of 921616352 in words is "nine hundred twenty-one million, six hundred sixteen thousand, three hundred fifty-two".