213927426 has 16 divisors (see below), whose sum is σ = 475394400. Its totient is φ = 71309124.

The previous prime is 213927401. The next prime is 213927457. The reversal of 213927426 is 624729312.

It is a Curzon 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, 1980756 + ... + 1980863.

It is an arithmetic number, because the mean of its divisors is an integer number (29712150).

Almost surely, 2^213927426 is an apocalyptic number.

213927426 is an abundant number, since it is smaller than the sum of its proper divisors (261466974).

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

213927426 is a wasteful number, since it uses less digits than its factorization.

213927426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961630 (or 3961624 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 213927426 is about 14626.2580997328. The cubic root of 213927426 is about 598.0747791483.

The spelling of 213927426 in words is "two hundred thirteen million, nine hundred twenty-seven thousand, four hundred twenty-six".