213892965 has 96 divisors (see below), whose sum is σ = 446269824. Its totient is φ = 93381120.

The previous prime is 213892957. The next prime is 213892969. The reversal of 213892965 is 569298312.

It is not a de Polignac number, because 213892965 - 2³ = 213892957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 213892965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213892969) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 276319 + ... + 277091.

It is an arithmetic number, because the mean of its divisors is an integer number (4648644).

Almost surely, 2^213892965 is an apocalyptic number.

It is an amenable number.

213892965 is an abundant number, since it is smaller than the sum of its proper divisors (232376859).

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

213892965 is a wasteful number, since it uses less digits than its factorization.

213892965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 848 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 213892965 is about 14625.0799997812. The cubic root of 213892965 is about 598.0426633320.

The spelling of 213892965 in words is "two hundred thirteen million, eight hundred ninety-two thousand, nine hundred sixty-five".