10117990 has 8 divisors (see below), whose sum is σ = 18212400. Its totient is φ = 4047192.

The previous prime is 10117957. The next prime is 10117993. The reversal of 10117990 is 9971101.

10117990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10117993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505890 + ... + 505909.

It is an arithmetic number, because the mean of its divisors is an integer number (2276550).

Almost surely, 2^10117990 is an apocalyptic number.

10117990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10117990 is a deficient number, since it is larger than the sum of its proper divisors (8094410).

10117990 is a wasteful number, since it uses less digits than its factorization.

10117990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011806.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 10117990 is about 3180.8788093859. The cubic root of 10117990 is about 216.2874972566.

The spelling of 10117990 in words is "ten million, one hundred seventeen thousand, nine hundred ninety".