10649931 has 16 divisors (see below), whose sum is σ = 14799360. Its totient is φ = 6804000.

The previous prime is 10649927. The next prime is 10649953. The reversal of 10649931 is 13994601.

It is not a de Polignac number, because 10649931 - 2² = 10649927 is a prime.

It is a super-2 number, since 2×10649931² = 226842060609522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10649892 and 10649901.

It is not an unprimeable number, because it can be changed into a prime (10649981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13806 + ... + 14556.

It is an arithmetic number, because the mean of its divisors is an integer number (924960).

Almost surely, 2^10649931 is an apocalyptic number.

10649931 is a deficient number, since it is larger than the sum of its proper divisors (4149429).

10649931 is a wasteful number, since it uses less digits than its factorization.

10649931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 10649931 is about 3263.4232027121. The cubic root of 10649931 is about 220.0132980942.

The spelling of 10649931 in words is "ten million, six hundred forty-nine thousand, nine hundred thirty-one".