10649418 has 16 divisors (see below), whose sum is σ = 22937376. Its totient is φ = 3276720.

The previous prime is 10649417. The next prime is 10649447. The reversal of 10649418 is 81494601.

It is a super-2 number, since 2×10649418² = 226820207477448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10649413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68188 + ... + 68343.

It is an arithmetic number, because the mean of its divisors is an integer number (1433586).

Almost surely, 2^10649418 is an apocalyptic number.

10649418 is an abundant number, since it is smaller than the sum of its proper divisors (12287958).

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

10649418 is a wasteful number, since it uses less digits than its factorization.

10649418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136549.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 10649418 is about 3263.3446033173. The cubic root of 10649418 is about 220.0097654067.

The spelling of 10649418 in words is "ten million, six hundred forty-nine thousand, four hundred eighteen".