213294894 has 16 divisors (see below), whose sum is σ = 431730432. Its totient is φ = 70241528.

The previous prime is 213294877. The next prime is 213294919. The reversal of 213294894 is 498492312.

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 7 ways as a sum of consecutive naturals, for example, 213654 + ... + 214649.

It is an arithmetic number, because the mean of its divisors is an integer number (26983152).

Almost surely, 2^213294894 is an apocalyptic number.

213294894 is an abundant number, since it is smaller than the sum of its proper divisors (218435538).

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

213294894 is a wasteful number, since it uses less digits than its factorization.

213294894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428391.

The product of its digits is 124416, while the sum is 42.

The square root of 213294894 is about 14604.6189269012. The cubic root of 213294894 is about 597.4847427580.

The spelling of 213294894 in words is "two hundred thirteen million, two hundred ninety-four thousand, eight hundred ninety-four".