213463916 has 12 divisors (see below), whose sum is σ = 373703400. Its totient is φ = 106691520.

The previous prime is 213463907. The next prime is 213463927. The reversal of 213463916 is 619364312.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935 + ... + 21033.

It is an arithmetic number, because the mean of its divisors is an integer number (31141950).

Almost surely, 2^213463916 is an apocalyptic number.

It is an amenable number.

213463916 is a deficient number, since it is larger than the sum of its proper divisors (160239484).

213463916 is a wasteful number, since it uses less digits than its factorization.

213463916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20224 (or 20222 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 213463916 is about 14610.4043749651. The cubic root of 213463916 is about 597.6425233790.

The spelling of 213463916 in words is "two hundred thirteen million, four hundred sixty-three thousand, nine hundred sixteen".