10489391 has 8 divisors (see below), whose sum is σ = 12116304. Its totient is φ = 8974720.

The previous prime is 10489379. The next prime is 10489393. The reversal of 10489391 is 19398401.

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

It is a cyclic number.

It is not a de Polignac number, because 10489391 - 2²² = 6295087 is a prime.

It is a super-2 number, since 2×10489391² = 220054647101762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10489393) 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, 27860 + ... + 28233.

It is an arithmetic number, because the mean of its divisors is an integer number (1514538).

Almost surely, 2^10489391 is an apocalyptic number.

10489391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10489391 is a deficient number, since it is larger than the sum of its proper divisors (1626913).

10489391 is a wasteful number, since it uses less digits than its factorization.

10489391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56121.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10489391 is about 3238.7329312557. The cubic root of 10489391 is about 218.9021824300.

The spelling of 10489391 in words is "ten million, four hundred eighty-nine thousand, three hundred ninety-one".