616319432 has 16 divisors (see below), whose sum is σ = 1192876800. Its totient is φ = 298218960.

The previous prime is 616319423. The next prime is 616319437. The reversal of 616319432 is 234913616.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 616319392 and 616319401.

It is not an unprimeable number, because it can be changed into a prime (616319437) 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, 1242332 + ... + 1242827.

It is an arithmetic number, because the mean of its divisors is an integer number (74554800).

Almost surely, 2^616319432 is an apocalyptic number.

616319432 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

616319432 is a deficient number, since it is larger than the sum of its proper divisors (576557368).

616319432 is a wasteful number, since it uses less digits than its factorization.

616319432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485196 (or 2485192 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 616319432 is about 24825.7815989749. The cubic root of 616319432 is about 851.0112218746.

The spelling of 616319432 in words is "six hundred sixteen million, three hundred nineteen thousand, four hundred thirty-two".