648796946 has 24 divisors (see below), whose sum is σ = 1135183500. Its totient is φ = 277294752.

The previous prime is 648796931. The next prime is 648796957. The reversal of 648796946 is 649697846.

It can be written as a sum of positive squares in 2 ways, for example, as 609546721 + 39250225 = 24689^2 + 6265^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27680 + ... + 45428.

Almost surely, 2^648796946 is an apocalyptic number.

648796946 is a deficient number, since it is larger than the sum of its proper divisors (486386554).

648796946 is a wasteful number, since it uses less digits than its factorization.

648796946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18138 (or 18131 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The square root of 648796946 is about 25471.4928105912. The cubic root of 648796946 is about 865.7043484040.

The spelling of 648796946 in words is "six hundred forty-eight million, seven hundred ninety-six thousand, nine hundred forty-six".