213934716 has 24 divisors (see below), whose sum is σ = 554645840. Its totient is φ = 71311536.

The previous prime is 213934709. The next prime is 213934727. The reversal of 213934716 is 617439312.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990331 + ... + 990546.

Almost surely, 2^213934716 is an apocalyptic number.

It is an amenable number.

213934716 is an abundant number, since it is smaller than the sum of its proper divisors (340711124).

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

213934716 is a wasteful number, since it uses less digits than its factorization.

213934716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980890 (or 1980882 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 213934716 is about 14626.5073069411. The cubic root of 213934716 is about 598.0815725980.

The spelling of 213934716 in words is "two hundred thirteen million, nine hundred thirty-four thousand, seven hundred sixteen".