213093924 has 24 divisors (see below), whose sum is σ = 501869088. Its totient is φ = 70367040.

The previous prime is 213093913. The next prime is 213093953. The reversal of 213093924 is 429390312.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81697 + ... + 84264.

It is an arithmetic number, because the mean of its divisors is an integer number (20911212).

Almost surely, 2^213093924 is an apocalyptic number.

It is an amenable number.

213093924 is an abundant number, since it is smaller than the sum of its proper divisors (288775164).

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

213093924 is a wasteful number, since it uses less digits than its factorization.

213093924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166075 (or 166073 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 213093924 is about 14597.7369478971. The cubic root of 213093924 is about 597.2970304333.

The spelling of 213093924 in words is "two hundred thirteen million, ninety-three thousand, nine hundred twenty-four".