656209048 has 16 divisors (see below), whose sum is σ = 1342245960. Its totient is φ = 298276800.

The previous prime is 656209003. The next prime is 656209049. The reversal of 656209048 is 840902656.

It is a happy number.

656209048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×656209048² = 861220629354132608, 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 656209048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656209049) 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, 3728373 + ... + 3728548.

Almost surely, 2^656209048 is an apocalyptic number.

It is an amenable number.

656209048 is an abundant number, since it is smaller than the sum of its proper divisors (686036912).

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

656209048 is a wasteful number, since it uses less digits than its factorization.

656209048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456938 (or 7456934 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 656209048 is about 25616.5776012332. The cubic root of 656209048 is about 868.9885846242.

The spelling of 656209048 in words is "six hundred fifty-six million, two hundred nine thousand, forty-eight".