662049438 has 16 divisors (see below), whose sum is σ = 1325550720. Its totient is φ = 220441176.

The previous prime is 662049391. The next prime is 662049449. The reversal of 662049438 is 834940266.

It is a happy number.

It is a super-2 number, since 2×662049438² = 876618916712231688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 662049438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54520 + ... + 65547.

It is an arithmetic number, because the mean of its divisors is an integer number (82846920).

Almost surely, 2^662049438 is an apocalyptic number.

662049438 is an abundant number, since it is smaller than the sum of its proper divisors (663501282).

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

662049438 is a wasteful number, since it uses less digits than its factorization.

662049438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120991.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 662049438 is about 25730.3213738189. The cubic root of 662049438 is about 871.5590304345.

The spelling of 662049438 in words is "six hundred sixty-two million, forty-nine thousand, four hundred thirty-eight".