662340028 has 12 divisors (see below), whose sum is σ = 1324680112. Its totient is φ = 283860000.

The previous prime is 662340011. The next prime is 662340037. The reversal of 662340028 is 820043266.

662340028 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11827473 + ... + 11827528.

Almost surely, 2^662340028 is an apocalyptic number.

It is an amenable number.

662340028 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.

662340028 is a wasteful number, since it uses less digits than its factorization.

662340028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23655012 (or 23655010 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 662340028 is about 25735.9675940113. The cubic root of 662340028 is about 871.6865281097.

The spelling of 662340028 in words is "six hundred sixty-two million, three hundred forty thousand, twenty-eight".