613497808 has 40 divisors (see below), whose sum is σ = 1481958720. Its totient is φ = 239024640.

The previous prime is 613497799. The next prime is 613497827. The reversal of 613497808 is 808794316.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 247753 + ... + 250216.

It is an arithmetic number, because the mean of its divisors is an integer number (37048968).

Almost surely, 2^613497808 is an apocalyptic number.

It is an amenable number.

613497808 is an abundant number, since it is smaller than the sum of its proper divisors (868460912).

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

613497808 is a wasteful number, since it uses less digits than its factorization.

613497808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497995 (or 497989 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 613497808 is about 24768.8879039815. The cubic root of 613497808 is about 849.7105395001.

The spelling of 613497808 in words is "six hundred thirteen million, four hundred ninety-seven thousand, eight hundred eight".