10401990 has 32 divisors (see below), whose sum is σ = 25219296. Its totient is φ = 2745600.

The previous prime is 10401973. The next prime is 10402031. The reversal of 10401990 is 9910401.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10401990.

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 15 ways as a sum of consecutive naturals, for example, 1314 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (788103).

Almost surely, 2^10401990 is an apocalyptic number.

10401990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10401990 is an abundant number, since it is smaller than the sum of its proper divisors (14817306).

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

10401990 is a wasteful number, since it uses less digits than its factorization.

10401990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 10401990 is about 3225.2116209638. The cubic root of 10401990 is about 218.2924979797.

The spelling of 10401990 in words is "ten million, four hundred one thousand, nine hundred ninety".