649586332 has 24 divisors (see below), whose sum is σ = 1188381600. Its totient is φ = 310100736.

The previous prime is 649586323. The next prime is 649586351. The reversal of 649586332 is 233685946.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 46144 + ... + 58552.

It is an arithmetic number, because the mean of its divisors is an integer number (49515900).

Almost surely, 2^649586332 is an apocalyptic number.

It is an amenable number.

649586332 is a deficient number, since it is larger than the sum of its proper divisors (538795268).

649586332 is a wasteful number, since it uses less digits than its factorization.

649586332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005 (or 13003 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 649586332 is about 25486.9835798590. The cubic root of 649586332 is about 866.0553046017.

The spelling of 649586332 in words is "six hundred forty-nine million, five hundred eighty-six thousand, three hundred thirty-two".