213899504 has 120 divisors (see below), whose sum is σ = 536715648. Its totient is φ = 81768960.

The previous prime is 213899437. The next prime is 213899513. The reversal of 213899504 is 405998312.

It is a super-2 number, since 2×213899504² = 91505995622892032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315614 + ... + 316290.

Almost surely, 2^213899504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213899504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268357824).

213899504 is an abundant number, since it is smaller than the sum of its proper divisors (322816144).

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

213899504 is a wasteful number, since it uses less digits than its factorization.

213899504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 213899504 is about 14625.3035524053. The cubic root of 213899504 is about 598.0487575969.

The spelling of 213899504 in words is "two hundred thirteen million, eight hundred ninety-nine thousand, five hundred four".