213802834 has 16 divisors (see below), whose sum is σ = 366710400. Its totient is φ = 91581984.

The previous prime is 213802817. The next prime is 213802889. The reversal of 213802834 is 438208312.

It is a junction number, because it is equal to n+sod(n) for n = 213802796 and 213802805.

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 7 ways as a sum of consecutive naturals, for example, 42547 + ... + 47305.

It is an arithmetic number, because the mean of its divisors is an integer number (22919400).

Almost surely, 2^213802834 is an apocalyptic number.

213802834 is a deficient number, since it is larger than the sum of its proper divisors (152907566).

213802834 is a wasteful number, since it uses less digits than its factorization.

213802834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7977.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 213802834 is about 14621.9982902475. The cubic root of 213802834 is about 597.9586497286.

The spelling of 213802834 in words is "two hundred thirteen million, eight hundred two thousand, eight hundred thirty-four".