314893643 has 4 divisors (see below), whose sum is σ = 323404320. Its totient is φ = 306382968.

The previous prime is 314893639. The next prime is 314893673. The reversal of 314893643 is 346398413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 314893643 - 2² = 314893639 is a prime.

It is a super-2 number, since 2×314893643² = 198316012803622898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314893643.

It is not an unprimeable number, because it can be changed into a prime (314893613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255283 + ... + 4255356.

It is an arithmetic number, because the mean of its divisors is an integer number (80851080).

Almost surely, 2^314893643 is an apocalyptic number.

314893643 is a deficient number, since it is larger than the sum of its proper divisors (8510677).

314893643 is an equidigital number, since it uses as much as digits as its factorization.

314893643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510676.

The product of its digits is 186624, while the sum is 41.

The square root of 314893643 is about 17745.2428273044. The cubic root of 314893643 is about 680.3326248983.

The spelling of 314893643 in words is "three hundred fourteen million, eight hundred ninety-three thousand, six hundred forty-three".