212924 has 6 divisors (see below), whose sum is σ = 372624. Its totient is φ = 106460.

The previous prime is 212923. The next prime is 212969. The reversal of 212924 is 429212.

It is a junction number, because it is equal to n+sod(n) for n = 212896 and 212905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212923) 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 as a sum of consecutive naturals, namely, 26612 + ... + 26619.

It is an arithmetic number, because the mean of its divisors is an integer number (62104).

2²¹²⁹²⁴ is an apocalyptic number.

It is an amenable number.

212924 is a deficient number, since it is larger than the sum of its proper divisors (159700).

212924 is a wasteful number, since it uses less digits than its factorization.

212924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53235 (or 53233 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 212924 is about 461.4368862586. The cubic root of 212924 is about 59.7138223949.

The spelling of 212924 in words is "two hundred twelve thousand, nine hundred twenty-four".