10686490 has 32 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 4038144.

The previous prime is 10686463. The next prime is 10686491. The reversal of 10686490 is 9468601.

It is a super-2 number, since 2×10686490² = 228402137040200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10686491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22071 + ... + 22549.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^10686490 is an apocalyptic number.

10686490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10686490 is a deficient number, since it is larger than the sum of its proper divisors (9634790).

10686490 is a wasteful number, since it uses less digits than its factorization.

10686490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 10686490 is about 3269.0197307450. The cubic root of 10686490 is about 220.2647638808.

The spelling of 10686490 in words is "ten million, six hundred eighty-six thousand, four hundred ninety".