10690491 has 8 divisors (see below), whose sum is σ = 16290304. Its totient is φ = 6108840.

The previous prime is 10690489. The next prime is 10690513. The reversal of 10690491 is 19409601.

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

It is not a de Polignac number, because 10690491 - 2¹ = 10690489 is a prime.

It is a super-2 number, since 2×10690491² = 228573195642162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10690411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254515 + ... + 254556.

It is an arithmetic number, because the mean of its divisors is an integer number (2036288).

Almost surely, 2^10690491 is an apocalyptic number.

10690491 is a deficient number, since it is larger than the sum of its proper divisors (5599813).

10690491 is an equidigital number, since it uses as much as digits as its factorization.

10690491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509081.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 10690491 is about 3269.6316306275. The cubic root of 10690491 is about 220.2922493433.

The spelling of 10690491 in words is "ten million, six hundred ninety thousand, four hundred ninety-one".