10403489 has 8 divisors (see below), whose sum is σ = 10940520. Its totient is φ = 9878400.

The previous prime is 10403483. The next prime is 10403501. The reversal of 10403489 is 98430401.

It can be written as a sum of positive squares in 4 ways, for example, as 824464 + 9579025 = 908^2 + 3095^2 .

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 10403489 - 2⁸ = 10403233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10403483) 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, 1172 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (1367565).

Almost surely, 2^10403489 is an apocalyptic number.

It is an amenable number.

10403489 is a deficient number, since it is larger than the sum of its proper divisors (537031).

10403489 is an equidigital number, since it uses as much as digits as its factorization.

10403489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 10403489 is about 3225.4440004440. Note that the first 3 decimals coincide. The cubic root of 10403489 is about 218.3029833047.

The spelling of 10403489 in words is "ten million, four hundred three thousand, four hundred eighty-nine".