314211640 has 32 divisors (see below), whose sum is σ = 707525280. Its totient is φ = 125587072.

The previous prime is 314211631. The next prime is 314211643. The reversal of 314211640 is 46112413.

It is a super-2 number, since 2×314211640² = 197457909422979200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314211643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71754 + ... + 76006.

It is an arithmetic number, because the mean of its divisors is an integer number (22110165).

Almost surely, 2^314211640 is an apocalyptic number.

It is an amenable number.

314211640 is an abundant number, since it is smaller than the sum of its proper divisors (393313640).

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

314211640 is a wasteful number, since it uses less digits than its factorization.

314211640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 314211640 is about 17726.0159088273. The cubic root of 314211640 is about 679.8411105121.

The spelling of 314211640 in words is "three hundred fourteen million, two hundred eleven thousand, six hundred forty".