10491403 has 8 divisors (see below), whose sum is σ = 11512368. Its totient is φ = 9501024.

The previous prime is 10491391. The next prime is 10491407. The reversal of 10491403 is 30419401.

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

It is not a de Polignac number, because 10491403 - 2⁹ = 10490891 is a prime.

It is a super-2 number, since 2×10491403² = 220139073816818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10491407) 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, 6925 + ... + 8302.

It is an arithmetic number, because the mean of its divisors is an integer number (1439046).

Almost surely, 2^10491403 is an apocalyptic number.

10491403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10491403 is a deficient number, since it is larger than the sum of its proper divisors (1020965).

10491403 is a wasteful number, since it uses less digits than its factorization.

10491403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15293.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10491403 is about 3239.0435316618. The cubic root of 10491403 is about 218.9161776192.

The spelling of 10491403 in words is "ten million, four hundred ninety-one thousand, four hundred three".