213696970 has 16 divisors (see below), whose sum is σ = 407281608. Its totient is φ = 80450560.

The previous prime is 213696943. The next prime is 213697013. The reversal of 213696970 is 79696312.

213696970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 212955649 + 741321 = 14593^2 + 861^2 .

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, 628351 + ... + 628690.

Almost surely, 2^213696970 is an apocalyptic number.

213696970 is a deficient number, since it is larger than the sum of its proper divisors (193584638).

213696970 is a wasteful number, since it uses less digits than its factorization.

213696970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257065.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 213696970 is about 14618.3778169809. The cubic root of 213696970 is about 597.8599408010.

The spelling of 213696970 in words is "two hundred thirteen million, six hundred ninety-six thousand, nine hundred seventy".