213575796 has 72 divisors (see below), whose sum is σ = 628677504. Its totient is φ = 59866560.

The previous prime is 213575779. The next prime is 213575809. The reversal of 213575796 is 697575312.

213575796 is a `hidden beast` number, since 2 + 1 + 3 + 575 + 79 + 6 = 666.

It is a super-2 number, since 2×213575796² = 91229241274067232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5361 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (8731632).

Almost surely, 2^213575796 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 213575796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314338752).

213575796 is an abundant number, since it is smaller than the sum of its proper divisors (415101708).

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

213575796 is a wasteful number, since it uses less digits than its factorization.

213575796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16061 (or 16056 counting only the distinct ones).

The product of its digits is 396900, while the sum is 45.

The square root of 213575796 is about 14614.2326517679. The cubic root of 213575796 is about 597.7469166157.

The spelling of 213575796 in words is "two hundred thirteen million, five hundred seventy-five thousand, seven hundred ninety-six".