10156489 has 4 divisors (see below), whose sum is σ = 11607424. Its totient is φ = 8705556.

The previous prime is 10156483. The next prime is 10156513. The reversal of 10156489 is 98465101.

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.

It is a cyclic number.

It is not a de Polignac number, because 10156489 - 2⁵ = 10156457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10156483) 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, 725457 + ... + 725470.

It is an arithmetic number, because the mean of its divisors is an integer number (2901856).

Almost surely, 2^10156489 is an apocalyptic number.

It is an amenable number.

10156489 is a deficient number, since it is larger than the sum of its proper divisors (1450935).

10156489 is an equidigital number, since it uses as much as digits as its factorization.

10156489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450934.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 10156489 is about 3186.9246931799. The cubic root of 10156489 is about 216.5614750390.

The spelling of 10156489 in words is "ten million, one hundred fifty-six thousand, four hundred eighty-nine".