213819874 has 8 divisors (see below), whose sum is σ = 320794560. Its totient is φ = 106888356.

The previous prime is 213819839. The next prime is 213819889. The reversal of 213819874 is 478918312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213819874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8467 + ... + 22345.

It is an arithmetic number, because the mean of its divisors is an integer number (40099320).

Almost surely, 2^213819874 is an apocalyptic number.

213819874 is a deficient number, since it is larger than the sum of its proper divisors (106974686).

213819874 is a wasteful number, since it uses less digits than its factorization.

213819874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21584.

The product of its digits is 96768, while the sum is 43.

The square root of 213819874 is about 14622.5809623336. The cubic root of 213819874 is about 597.9745349946.

The spelling of 213819874 in words is "two hundred thirteen million, eight hundred nineteen thousand, eight hundred seventy-four".