613978932 has 48 divisors (see below), whose sum is σ = 1690099712. Its totient is φ = 169763040.

The previous prime is 613978921. The next prime is 613978933. The reversal of 613978932 is 239879316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613978933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115288 + ... + 120495.

Almost surely, 2^613978932 is an apocalyptic number.

613978932 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

613978932 is an abundant number, since it is smaller than the sum of its proper divisors (1076120780).

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

613978932 is a wasteful number, since it uses less digits than its factorization.

613978932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235828 (or 235826 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 613978932 is about 24778.5982654387. The cubic root of 613978932 is about 849.9326045757.

The spelling of 613978932 in words is "six hundred thirteen million, nine hundred seventy-eight thousand, nine hundred thirty-two".