10399589 has 4 divisors (see below), whose sum is σ = 10408224. Its totient is φ = 10390956.

The previous prime is 10399573. The next prime is 10399619. The reversal of 10399589 is 98599301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10399589 - 2⁴ = 10399573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (2602056).

Almost surely, 2^10399589 is an apocalyptic number.

It is an amenable number.

10399589 is a deficient number, since it is larger than the sum of its proper divisors (8635).

10399589 is an equidigital number, since it uses as much as digits as its factorization.

10399589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 10399589 is about 3224.8393758449. The cubic root of 10399589 is about 218.2757011739.

The spelling of 10399589 in words is "ten million, three hundred ninety-nine thousand, five hundred eighty-nine".