10239489 has 12 divisors (see below), whose sum is σ = 15928276. Its totient is φ = 6301152.

The previous prime is 10239487. The next prime is 10239503. The reversal of 10239489 is 98493201.

10239489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 9199089 = 1020^2 + 3033^2 .

It is not a de Polignac number, because 10239489 - 2¹ = 10239487 is a prime.

It is a super-2 number, since 2×10239489² = 209694269962242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10239487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43642 + ... + 43875.

Almost surely, 2^10239489 is an apocalyptic number.

It is an amenable number.

10239489 is a deficient number, since it is larger than the sum of its proper divisors (5688787).

10239489 is a wasteful number, since it uses less digits than its factorization.

10239489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87536 (or 87533 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 10239489 is about 3199.9201552539. The cubic root of 10239489 is about 217.1497971128.

The spelling of 10239489 in words is "ten million, two hundred thirty-nine thousand, four hundred eighty-nine".