10649420 has 24 divisors (see below), whose sum is σ = 22425984. Its totient is φ = 4247936.

The previous prime is 10649417. The next prime is 10649447. The reversal of 10649420 is 2494601.

It is a super-2 number, since 2×10649420² = 226820292672800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10649420.

It is an unprimeable number.

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, 11909 + ... + 12771.

It is an arithmetic number, because the mean of its divisors is an integer number (934416).

Almost surely, 2^10649420 is an apocalyptic number.

10649420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10649420 is an abundant number, since it is smaller than the sum of its proper divisors (11776564).

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

10649420 is a wasteful number, since it uses less digits than its factorization.

10649420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10649420 is about 3263.3449097513. The cubic root of 10649420 is about 220.0097791796.

The spelling of 10649420 in words is "ten million, six hundred forty-nine thousand, four hundred twenty".