213957338 has 16 divisors (see below), whose sum is σ = 368184960. Its totient is φ = 91345776.

The previous prime is 213957313. The next prime is 213957349. The reversal of 213957338 is 833759312.

213957338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213957295 and 213957304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25373 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (23011560).

Almost surely, 2^213957338 is an apocalyptic number.

213957338 is a deficient number, since it is larger than the sum of its proper divisors (154227622).

213957338 is a wasteful number, since it uses less digits than its factorization.

213957338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58381.

The product of its digits is 136080, while the sum is 41.

The square root of 213957338 is about 14627.2806085068. The cubic root of 213957338 is about 598.1026527430.

The spelling of 213957338 in words is "two hundred thirteen million, nine hundred fifty-seven thousand, three hundred thirty-eight".