212929392 has 40 divisors (see below), whose sum is σ = 592382224. Its totient is φ = 65516544.

The previous prime is 212929361. The next prime is 212929399. The reversal of 212929392 is 293929212.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 212929392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212929399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169993 + ... + 171240.

Almost surely, 2^212929392 is an apocalyptic number.

It is an amenable number.

212929392 is an abundant number, since it is smaller than the sum of its proper divisors (379452832).

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

212929392 is a wasteful number, since it uses less digits than its factorization.

212929392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341257 (or 341251 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 212929392 is about 14592.1003286025. The cubic root of 212929392 is about 597.1432644680.

The spelling of 212929392 in words is "two hundred twelve million, nine hundred twenty-nine thousand, three hundred ninety-two".