613043904 has 112 divisors (see below), whose sum is σ = 1786371840. Its totient is φ = 183997440.

The previous prime is 613043897. The next prime is 613043917. The reversal of 613043904 is 409340316.

It is a super-2 number, since 2×613043904² = 751645656463122432, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 228877 + ... + 231539.

Almost surely, 2^613043904 is an apocalyptic number.

613043904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613043904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893185920).

613043904 is an abundant number, since it is smaller than the sum of its proper divisors (1173327936).

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

613043904 is a wasteful number, since it uses less digits than its factorization.

613043904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 613043904 is about 24759.7234233341. The cubic root of 613043904 is about 849.5009314867.

The spelling of 613043904 in words is "six hundred thirteen million, forty-three thousand, nine hundred four".