213474686 has 8 divisors (see below), whose sum is σ = 320282424. Its totient is φ = 106713880.

The previous prime is 213474643. The next prime is 213474689. The reversal of 213474686 is 686474312.

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

It is a super-4 number, since 4×213474686⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213474689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701 + ... + 20991.

It is an arithmetic number, because the mean of its divisors is an integer number (40035303).

Almost surely, 2^213474686 is an apocalyptic number.

213474686 is a deficient number, since it is larger than the sum of its proper divisors (106807738).

213474686 is a wasteful number, since it uses less digits than its factorization.

213474686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23466.

The product of its digits is 193536, while the sum is 41.

The square root of 213474686 is about 14610.7729432772. The cubic root of 213474686 is about 597.6525742607.

The spelling of 213474686 in words is "two hundred thirteen million, four hundred seventy-four thousand, six hundred eighty-six".