649416 has 16 divisors (see below), whose sum is σ = 1623600. Its totient is φ = 216464.

The previous prime is 649403. The next prime is 649421. The reversal of 649416 is 614946.

It is a super-2 number, since 2×649416² = 843482282112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13506 + ... + 13553.

It is an arithmetic number, because the mean of its divisors is an integer number (101475).

2⁶⁴⁹⁴¹⁶ is an apocalyptic number.

It is an amenable number.

649416 is an abundant number, since it is smaller than the sum of its proper divisors (974184).

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

649416 is a wasteful number, since it uses less digits than its factorization.

649416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27068 (or 27064 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 649416 is about 805.8635120168. The cubic root of 649416 is about 86.5979600100.

The spelling of 649416 in words is "six hundred forty-nine thousand, four hundred sixteen".