214291972 has 6 divisors (see below), whose sum is σ = 375010958. Its totient is φ = 107145984.

The previous prime is 214291939. The next prime is 214291999. The reversal of 214291972 is 279192412.

It can be written as a sum of positive squares in only one way, i.e., 123965956 + 90326016 = 11134^2 + 9504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26786493 + ... + 26786500.

Almost surely, 2^214291972 is an apocalyptic number.

It is an amenable number.

214291972 is a deficient number, since it is larger than the sum of its proper divisors (160718986).

214291972 is a wasteful number, since it uses less digits than its factorization.

214291972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53572997 (or 53572995 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 214291972 is about 14638.7148343015. The cubic root of 214291972 is about 598.4143055730.

The spelling of 214291972 in words is "two hundred fourteen million, two hundred ninety-one thousand, nine hundred seventy-two".