213833442 has 16 divisors (see below), whose sum is σ = 428637600. Its totient is φ = 71116032.

The previous prime is 213833437. The next prime is 213833449. The reversal of 213833442 is 244338312.

It is not an unprimeable number, because it can be changed into a prime (213833449) by changing a digit.

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, 37567 + ... + 42882.

It is an arithmetic number, because the mean of its divisors is an integer number (26789850).

Almost surely, 2^213833442 is an apocalyptic number.

213833442 is an abundant number, since it is smaller than the sum of its proper divisors (214804158).

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

213833442 is a wasteful number, since it uses less digits than its factorization.

213833442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80897.

The product of its digits is 13824, while the sum is 30.

The square root of 213833442 is about 14623.0448949595. The cubic root of 213833442 is about 597.9871829410.

The spelling of 213833442 in words is "two hundred thirteen million, eight hundred thirty-three thousand, four hundred forty-two".