616261400 has 48 divisors (see below), whose sum is σ = 1479042240. Its totient is φ = 238550400.

The previous prime is 616261367. The next prime is 616261411. The reversal of 616261400 is 4162616.

It is a happy number.

616261400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×616261400² = 759556226259920000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 616261400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43499 + ... + 55898.

It is an arithmetic number, because the mean of its divisors is an integer number (30813380).

Almost surely, 2^616261400 is an apocalyptic number.

It is an amenable number.

616261400 is an abundant number, since it is smaller than the sum of its proper divisors (862780840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616261400 is a wasteful number, since it uses less digits than its factorization.

616261400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99444 (or 99435 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 616261400 is about 24824.6127865069. The cubic root of 616261400 is about 850.9845109242.

The spelling of 616261400 in words is "six hundred sixteen million, two hundred sixty-one thousand, four hundred".