213357430 has 96 divisors (see below), whose sum is σ = 474336000. Its totient is φ = 68365440.

The previous prime is 213357409. The next prime is 213357449. The reversal of 213357430 is 34753312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 427321 + ... + 427819.

It is an arithmetic number, because the mean of its divisors is an integer number (4941000).

Almost surely, 2^213357430 is an apocalyptic number.

213357430 is an abundant number, since it is smaller than the sum of its proper divisors (260978570).

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

213357430 is a wasteful number, since it uses less digits than its factorization.

213357430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 213357430 is about 14606.7597365056. The cubic root of 213357430 is about 597.5431293015.

The spelling of 213357430 in words is "two hundred thirteen million, three hundred fifty-seven thousand, four hundred thirty".