213668094 has 16 divisors (see below), whose sum is σ = 427586832. Its totient is φ = 71180928.

The previous prime is 213668093. The next prime is 213668101. The reversal of 213668094 is 490866312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213668093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732 + ... + 20744.

It is an arithmetic number, because the mean of its divisors is an integer number (26724177).

Almost surely, 2^213668094 is an apocalyptic number.

213668094 is an abundant number, since it is smaller than the sum of its proper divisors (213918738).

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

213668094 is a wasteful number, since it uses less digits than its factorization.

213668094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20891.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 213668094 is about 14617.3901227271. The cubic root of 213668094 is about 597.8330107962.

The spelling of 213668094 in words is "two hundred thirteen million, six hundred sixty-eight thousand, ninety-four".