613887960 has 64 divisors (see below), whose sum is σ = 2104761600. Its totient is φ = 140317056.

The previous prime is 613887959. The next prime is 613887983. The reversal of 613887960 is 69788316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364570 + ... + 366249.

It is an arithmetic number, because the mean of its divisors is an integer number (32886900).

Almost surely, 2^613887960 is an apocalyptic number.

613887960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613887960 is an abundant number, since it is smaller than the sum of its proper divisors (1490873640).

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

613887960 is a wasteful number, since it uses less digits than its factorization.

613887960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730840 (or 730836 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 613887960 is about 24776.7625003752. The cubic root of 613887960 is about 849.8906249116.

Adding to 613887960 its product of nonzero digits (435456), we get a palindrome (614323416).

The spelling of 613887960 in words is "six hundred thirteen million, eight hundred eighty-seven thousand, nine hundred sixty".