213694850 has 24 divisors (see below), whose sum is σ = 398545920. Its totient is φ = 85247120.

The previous prime is 213694813. The next prime is 213694867. The reversal of 213694850 is 58496312.

It is a happy number.

213694850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13571 + ... + 24729.

It is an arithmetic number, because the mean of its divisors is an integer number (16606080).

Almost surely, 2^213694850 is an apocalyptic number.

213694850 is a deficient number, since it is larger than the sum of its proper divisors (184851070).

213694850 is a wasteful number, since it uses less digits than its factorization.

213694850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11554 (or 11549 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 213694850 is about 14618.3053053355. The cubic root of 213694850 is about 597.8579637534.

The spelling of 213694850 in words is "two hundred thirteen million, six hundred ninety-four thousand, eight hundred fifty".