10649400 has 48 divisors (see below), whose sum is σ = 33015000. Its totient is φ = 2839680.

The previous prime is 10649393. The next prime is 10649407. The reversal of 10649400 is 494601.

It is an interprime number because it is at equal distance from previous prime (10649393) and next prime (10649407).

It is a super-2 number, since 2×10649400² = 226819440720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649407) 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 11 ways as a sum of consecutive naturals, for example, 8275 + ... + 9474.

Almost surely, 2^10649400 is an apocalyptic number.

10649400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10649400 is an abundant number, since it is smaller than the sum of its proper divisors (22365600).

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

10649400 is a wasteful number, since it uses less digits than its factorization.

10649400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17768 (or 17759 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10649400 is about 3263.3418454094. The cubic root of 10649400 is about 220.0096414507.

The spelling of 10649400 in words is "ten million, six hundred forty-nine thousand, four hundred".