650398008 has 32 divisors (see below), whose sum is σ = 1751072400. Its totient is φ = 200122368.

The previous prime is 650397989. The next prime is 650398013. The reversal of 650398008 is 800893056.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1041993 + ... + 1042616.

Almost surely, 2^650398008 is an apocalyptic number.

It is an amenable number.

650398008 is an abundant number, since it is smaller than the sum of its proper divisors (1100674392).

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

650398008 is a wasteful number, since it uses less digits than its factorization.

650398008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084631 (or 2084627 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 650398008 is about 25502.9019525230. The cubic root of 650398008 is about 866.4158744424.

The spelling of 650398008 in words is "six hundred fifty million, three hundred ninety-eight thousand, eight".