212791896 has 24 divisors (see below), whose sum is σ = 576311580. Its totient is φ = 70930608.

The previous prime is 212791877. The next prime is 212791897. The reversal of 212791896 is 698197212.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212791897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1477650 + ... + 1477793.

Almost surely, 2^212791896 is an apocalyptic number.

It is an amenable number.

212791896 is an abundant number, since it is smaller than the sum of its proper divisors (363519684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212791896 is a wasteful number, since it uses less digits than its factorization.

212791896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955455 (or 2955448 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 212791896 is about 14587.3882515000. The cubic root of 212791896 is about 597.0147046537.

The spelling of 212791896 in words is "two hundred twelve million, seven hundred ninety-one thousand, eight hundred ninety-six".