616840832 has 16 divisors (see below), whose sum is σ = 1228862850. Its totient is φ = 308420352.

The previous prime is 616840789. The next prime is 616840837. The reversal of 616840832 is 238048616.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 361608256 + 255232576 = 19016^2 + 15976^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×616840832² = 760985224044904448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (616840837) 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 as a sum of consecutive naturals, namely, 2409407 + ... + 2409662.

Almost surely, 2^616840832 is an apocalyptic number.

It is an amenable number.

616840832 is a deficient number, since it is larger than the sum of its proper divisors (612022018).

616840832 is an equidigital number, since it uses as much as digits as its factorization.

616840832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819083 (or 4819071 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 616840832 is about 24836.2805588921. The cubic root of 616840832 is about 851.2511365250.

The spelling of 616840832 in words is "six hundred sixteen million, eight hundred forty thousand, eight hundred thirty-two".