214861312 has 20 divisors (see below), whose sum is σ = 429303996. Its totient is φ = 107430400.

The previous prime is 214861301. The next prime is 214861321. The reversal of 214861312 is 213168412.

It is a super-2 number, since 2×214861312² = 92330766788722688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209314 + ... + 210337.

Almost surely, 2^214861312 is an apocalyptic number.

It is an amenable number.

214861312 is a deficient number, since it is larger than the sum of its proper divisors (214442684).

214861312 is an frugal number, since it uses more digits than its factorization.

214861312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419669 (or 419653 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 214861312 is about 14658.1483141630. The cubic root of 214861312 is about 598.9438010900.

The spelling of 214861312 in words is "two hundred fourteen million, eight hundred sixty-one thousand, three hundred twelve".