314346640 has 40 divisors (see below), whose sum is σ = 769325760. Its totient is φ = 119120256.

The previous prime is 314346619. The next prime is 314346691. The reversal of 314346640 is 46643413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101884 + ... + 104923.

It is an arithmetic number, because the mean of its divisors is an integer number (19233144).

Almost surely, 2^314346640 is an apocalyptic number.

It is an amenable number.

314346640 is an abundant number, since it is smaller than the sum of its proper divisors (454979120).

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

314346640 is a wasteful number, since it uses less digits than its factorization.

314346640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206839 (or 206833 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 314346640 is about 17729.8234621781. The cubic root of 314346640 is about 679.9384604055.

The spelling of 314346640 in words is "three hundred fourteen million, three hundred forty-six thousand, six hundred forty".