649330382 has 4 divisors (see below), whose sum is σ = 973995576. Its totient is φ = 324665190.

The previous prime is 649330379. The next prime is 649330403. The reversal of 649330382 is 283033946.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162332594 + ... + 162332597.

It is an arithmetic number, because the mean of its divisors is an integer number (243498894).

Almost surely, 2^649330382 is an apocalyptic number.

649330382 is a deficient number, since it is larger than the sum of its proper divisors (324665194).

649330382 is a wasteful number, since it uses less digits than its factorization.

649330382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324665193.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 649330382 is about 25481.9618946423. The cubic root of 649330382 is about 865.9415419580.

The spelling of 649330382 in words is "six hundred forty-nine million, three hundred thirty thousand, three hundred eighty-two".