10493990 has 32 divisors (see below), whose sum is σ = 20593440. Its totient is φ = 3826944.

The previous prime is 10493953. The next prime is 10493999. The reversal of 10493990 is 9939401.

It is a super-2 number, since 2×10493990² = 220247652240200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10493990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10493999) 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, 11117 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (643545).

Almost surely, 2^10493990 is an apocalyptic number.

10493990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10493990 is a deficient number, since it is larger than the sum of its proper divisors (10099450).

10493990 is a wasteful number, since it uses less digits than its factorization.

10493990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 10493990 is about 3239.4428533314. The cubic root of 10493990 is about 218.9341697984.

The spelling of 10493990 in words is "ten million, four hundred ninety-three thousand, nine hundred ninety".