649441324 has 12 divisors (see below), whose sum is σ = 1298882704. Its totient is φ = 278331984.

The previous prime is 649441321. The next prime is 649441343. The reversal of 649441324 is 423144946.

649441324 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (649441321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11597139 + ... + 11597194.

Almost surely, 2^649441324 is an apocalyptic number.

It is an amenable number.

649441324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

649441324 is a wasteful number, since it uses less digits than its factorization.

649441324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23194344 (or 23194342 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 649441324 is about 25484.1386748699. The cubic root of 649441324 is about 865.9908562559.

The spelling of 649441324 in words is "six hundred forty-nine million, four hundred forty-one thousand, three hundred twenty-four".