10390855 has 8 divisors (see below), whose sum is σ = 12490272. Its totient is φ = 8298528.

The previous prime is 10390847. The next prime is 10390873. The reversal of 10390855 is 55809301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10390855 - 2³ = 10390847 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2317 + ... + 5113.

It is an arithmetic number, because the mean of its divisors is an integer number (1561284).

Almost surely, 2^10390855 is an apocalyptic number.

10390855 is a deficient number, since it is larger than the sum of its proper divisors (2099417).

10390855 is an equidigital number, since it uses as much as digits as its factorization.

10390855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 10390855 is about 3223.4849154293. The cubic root of 10390855 is about 218.2145784404.

The spelling of 10390855 in words is "ten million, three hundred ninety thousand, eight hundred fifty-five".