212893964 has 12 divisors (see below), whose sum is σ = 374165064. Its totient is φ = 105989664.

The previous prime is 212893943. The next prime is 212893969. The reversal of 212893964 is 469398212.

It is not an unprimeable number, because it can be changed into a prime (212893969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113282 + ... + 115145.

It is an arithmetic number, because the mean of its divisors is an integer number (31180422).

Almost surely, 2^212893964 is an apocalyptic number.

It is an amenable number.

212893964 is a deficient number, since it is larger than the sum of its proper divisors (161271100).

212893964 is a wasteful number, since it uses less digits than its factorization.

212893964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228664 (or 228662 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 212893964 is about 14590.8863335988. The cubic root of 212893964 is about 597.1101443105.

The spelling of 212893964 in words is "two hundred twelve million, eight hundred ninety-three thousand, nine hundred sixty-four".