10391290 has 64 divisors (see below), whose sum is σ = 24272640. Its totient is φ = 3110400.

The previous prime is 10391279. The next prime is 10391299. The reversal of 10391290 is 9219301.

It is not an unprimeable number, because it can be changed into a prime (10391299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16990 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (379260).

Almost surely, 2^10391290 is an apocalyptic number.

10391290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10391290 is an abundant number, since it is smaller than the sum of its proper divisors (13881350).

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

10391290 is a wasteful number, since it uses less digits than its factorization.

10391290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 10391290 is about 3223.5523882822. The cubic root of 10391290 is about 218.2176234903.

The spelling of 10391290 in words is "ten million, three hundred ninety-one thousand, two hundred ninety".