213032408 has 16 divisors (see below), whose sum is σ = 420459000. Its totient is φ = 100910016.

The previous prime is 213032401. The next prime is 213032419. The reversal of 213032408 is 804230312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213032401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700613 + ... + 700916.

Almost surely, 2^213032408 is an apocalyptic number.

It is an amenable number.

213032408 is a deficient number, since it is larger than the sum of its proper divisors (207426592).

213032408 is a wasteful number, since it uses less digits than its factorization.

213032408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401554 (or 1401550 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 213032408 is about 14595.6297568827. The cubic root of 213032408 is about 597.2395489564.

The spelling of 213032408 in words is "two hundred thirteen million, thirty-two thousand, four hundred eight".