213449676 has 24 divisors (see below), whose sum is σ = 543326784. Its totient is φ = 64681680.

The previous prime is 213449609. The next prime is 213449693. The reversal of 213449676 is 676944312.

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, 808390 + ... + 808653.

It is an arithmetic number, because the mean of its divisors is an integer number (22638616).

Almost surely, 2^213449676 is an apocalyptic number.

It is an amenable number.

213449676 is an abundant number, since it is smaller than the sum of its proper divisors (329877108).

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

213449676 is a wasteful number, since it uses less digits than its factorization.

213449676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617061 (or 1617059 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 213449676 is about 14609.9170428856. The cubic root of 213449676 is about 597.6292336719.

The spelling of 213449676 in words is "two hundred thirteen million, four hundred forty-nine thousand, six hundred seventy-six".