212931484 has 12 divisors (see below), whose sum is σ = 372738184. Its totient is φ = 106434864.

The previous prime is 212931457. The next prime is 212931487. The reversal of 212931484 is 484139212.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212931487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15667 + ... + 25909.

Almost surely, 2^212931484 is an apocalyptic number.

It is an amenable number.

212931484 is a deficient number, since it is larger than the sum of its proper divisors (159806700).

212931484 is a wasteful number, since it uses less digits than its factorization.

212931484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15444 (or 15442 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 212931484 is about 14592.1720110476. The cubic root of 212931484 is about 597.1452200765.

The spelling of 212931484 in words is "two hundred twelve million, nine hundred thirty-one thousand, four hundred eighty-four".