649372 has 6 divisors (see below), whose sum is σ = 1136408. Its totient is φ = 324684.

The previous prime is 649361. The next prime is 649379. The reversal of 649372 is 273946.

649372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649379) by changing a digit.

649372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81168 + ... + 81175.

2⁶⁴⁹³⁷² is an apocalyptic number.

It is an amenable number.

649372 is a deficient number, since it is larger than the sum of its proper divisors (487036).

649372 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 649372 = (273964)₁₂.

649372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162347 (or 162345 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 649372 is about 805.8362116460. The cubic root of 649372 is about 86.5960042034.

The spelling of 649372 in words is "six hundred forty-nine thousand, three hundred seventy-two".