213671344 has 20 divisors (see below), whose sum is σ = 427343680. Its totient is φ = 103389120.

The previous prime is 213671329. The next prime is 213671347. The reversal of 213671344 is 443176312.

213671344 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (213671347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214899 + ... + 215890.

It is an arithmetic number, because the mean of its divisors is an integer number (21367184).

Almost surely, 2^213671344 is an apocalyptic number.

It is an amenable number.

213671344 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213671344 is a wasteful number, since it uses less digits than its factorization.

213671344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430828 (or 430822 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 213671344 is about 14617.5012912604. The cubic root of 213671344 is about 597.8360418952.

The spelling of 213671344 in words is "two hundred thirteen million, six hundred seventy-one thousand, three hundred forty-four".