213373438 has 8 divisors (see below), whose sum is σ = 333975888. Its totient is φ = 102048144.

The previous prime is 213373429. The next prime is 213373453. The reversal of 213373438 is 834373312.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319231 + ... + 2319322.

It is an arithmetic number, because the mean of its divisors is an integer number (41746986).

Almost surely, 2^213373438 is an apocalyptic number.

213373438 is a deficient number, since it is larger than the sum of its proper divisors (120602450).

213373438 is a wasteful number, since it uses less digits than its factorization.

213373438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638578.

The product of its digits is 36288, while the sum is 34.

The square root of 213373438 is about 14607.3076917001. The cubic root of 213373438 is about 597.5580732873.

The spelling of 213373438 in words is "two hundred thirteen million, three hundred seventy-three thousand, four hundred thirty-eight".