213898552 has 16 divisors (see below), whose sum is σ = 458354160. Its totient is φ = 91670784.

The previous prime is 213898549. The next prime is 213898567. The reversal of 213898552 is 255898312.

It is a junction number, because it is equal to n+sod(n) for n = 213898499 and 213898508.

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 3 ways as a sum of consecutive naturals, for example, 1909753 + ... + 1909864.

It is an arithmetic number, because the mean of its divisors is an integer number (28647135).

Almost surely, 2^213898552 is an apocalyptic number.

It is an amenable number.

213898552 is an abundant number, since it is smaller than the sum of its proper divisors (244455608).

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

213898552 is a wasteful number, since it uses less digits than its factorization.

213898552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819630 (or 3819626 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 213898552 is about 14625.2710060361. The cubic root of 213898552 is about 598.0478703527.

The spelling of 213898552 in words is "two hundred thirteen million, eight hundred ninety-eight thousand, five hundred fifty-two".