915374940 has 48 divisors (see below), whose sum is σ = 2568394752. Its totient is φ = 243590976.

The previous prime is 915374939. The next prime is 915374963. The reversal of 915374940 is 49473519.

It is a super-2 number, since 2×915374940² = 1675822561560007200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 915374892 and 915374901.

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, 13557 + ... + 44883.

It is an arithmetic number, because the mean of its divisors is an integer number (53508224).

Almost surely, 2^915374940 is an apocalyptic number.

It is an amenable number.

915374940 is an abundant number, since it is smaller than the sum of its proper divisors (1653019812).

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

915374940 is a wasteful number, since it uses less digits than its factorization.

915374940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31826 (or 31824 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 915374940 is about 30255.1638567700. The cubic root of 915374940 is about 970.9562752118.

The spelling of 915374940 in words is "nine hundred fifteen million, three hundred seventy-four thousand, nine hundred forty".