213694 has 8 divisors (see below), whose sum is σ = 345240. Its totient is φ = 98616.

The previous prime is 213659. The next prime is 213713. The reversal of 213694 is 496312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4084 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (43155).

2²¹³⁶⁹⁴ is an apocalyptic number.

213694 is a deficient number, since it is larger than the sum of its proper divisors (131546).

213694 is a wasteful number, since it uses less digits than its factorization.

213694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8234.

The product of its digits is 1296, while the sum is 25.

The square root of 213694 is about 462.2704835916. The cubic root of 213694 is about 59.7857171066.

The spelling of 213694 in words is "two hundred thirteen thousand, six hundred ninety-four".