216979462 has 64 divisors (see below), whose sum is σ = 399168000. Its totient is φ = 86526720.

The previous prime is 216979459. The next prime is 216979519. The reversal of 216979462 is 264979612.

216979462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1456164 + ... + 1456312.

It is an arithmetic number, because the mean of its divisors is an integer number (6237000).

Almost surely, 2^216979462 is an apocalyptic number.

216979462 is a deficient number, since it is larger than the sum of its proper divisors (182188538).

216979462 is a wasteful number, since it uses less digits than its factorization.

216979462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 326592, while the sum is 46.

The square root of 216979462 is about 14730.2227410179. Note that the first 3 decimals coincide. The cubic root of 216979462 is about 600.9055418948.

The spelling of 216979462 in words is "two hundred sixteen million, nine hundred seventy-nine thousand, four hundred sixty-two".