649967352 has 32 divisors (see below), whose sum is σ = 1710441600. Its totient is φ = 205252704.

The previous prime is 649967347. The next prime is 649967369. The reversal of 649967352 is 253769946.

It is a junction number, because it is equal to n+sod(n) for n = 649967295 and 649967304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712228 + ... + 713139.

It is an arithmetic number, because the mean of its divisors is an integer number (53451300).

Almost surely, 2^649967352 is an apocalyptic number.

It is an amenable number.

649967352 is an abundant number, since it is smaller than the sum of its proper divisors (1060474248).

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

649967352 is a wasteful number, since it uses less digits than its factorization.

649967352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425395 (or 1425391 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 51.

The square root of 649967352 is about 25494.4572799658. The cubic root of 649967352 is about 866.2246020343.

The spelling of 649967352 in words is "six hundred forty-nine million, nine hundred sixty-seven thousand, three hundred fifty-two".