10649331 has 48 divisors (see below), whose sum is σ = 19488768. Its totient is φ = 5488560.

The previous prime is 10649321. The next prime is 10649341. The reversal of 10649331 is 13394601.

10649331 is a `hidden beast` number, since 10 + 649 + 3 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (10649321) and next prime (10649341).

It is not a de Polignac number, because 10649331 - 2⁷ = 10649203 is a prime.

It is a super-2 number, since 2×10649331² = 226816501495122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10649295 and 10649304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83790 + ... + 83916.

It is an arithmetic number, because the mean of its divisors is an integer number (406016).

Almost surely, 2^10649331 is an apocalyptic number.

10649331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10649331 is a deficient number, since it is larger than the sum of its proper divisors (8839437).

10649331 is a wasteful number, since it uses less digits than its factorization.

10649331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 10649331 is about 3263.3312734076. The cubic root of 10649331 is about 220.0091662847.

The spelling of 10649331 in words is "ten million, six hundred forty-nine thousand, three hundred thirty-one".