213986742 has 8 divisors (see below), whose sum is σ = 427973496. Its totient is φ = 71328912.

The previous prime is 213986713. The next prime is 213986767. The reversal of 213986742 is 247689312.

213986742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

213986742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 213986694 and 213986703.

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, 17832223 + ... + 17832234.

It is an arithmetic number, because the mean of its divisors is an integer number (53496687).

Almost surely, 2^213986742 is an apocalyptic number.

213986742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213986742 is a wasteful number, since it uses less digits than its factorization.

213986742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35664462.

The product of its digits is 145152, while the sum is 42.

The square root of 213986742 is about 14628.2856821980. The cubic root of 213986742 is about 598.1300504242.

The spelling of 213986742 in words is "two hundred thirteen million, nine hundred eighty-six thousand, seven hundred forty-two".