213790648 has 16 divisors (see below), whose sum is σ = 401338080. Its totient is φ = 106767168.

The previous prime is 213790631. The next prime is 213790667. The reversal of 213790648 is 846097312.

It is a super-3 number, since 3×213790648³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213790648.

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 3 ways as a sum of consecutive naturals, for example, 8736 + ... + 22447.

It is an arithmetic number, because the mean of its divisors is an integer number (25083630).

Almost surely, 2^213790648 is an apocalyptic number.

It is an amenable number.

213790648 is a deficient number, since it is larger than the sum of its proper divisors (187547432).

213790648 is a wasteful number, since it uses less digits than its factorization.

213790648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32046 (or 32042 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 213790648 is about 14621.5815833992. The cubic root of 213790648 is about 597.9472890083.

The spelling of 213790648 in words is "two hundred thirteen million, seven hundred ninety thousand, six hundred forty-eight".