10091690 has 16 divisors (see below), whose sum is σ = 20760192. Its totient is φ = 3459984.

The previous prime is 10091671. The next prime is 10091723. The reversal of 10091690 is 9619001.

It is a super-2 number, since 2×10091690² = 203684414112200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72014 + ... + 72153.

It is an arithmetic number, because the mean of its divisors is an integer number (1297512).

Almost surely, 2^10091690 is an apocalyptic number.

10091690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10091690 is an abundant number, since it is smaller than the sum of its proper divisors (10668502).

10091690 is a wasteful number, since it uses less digits than its factorization.

10091690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144181.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 10091690 is about 3176.7420417780. The cubic root of 10091690 is about 216.0999337533.

The spelling of 10091690 in words is "ten million, ninety-one thousand, six hundred ninety".