10042889 has 4 divisors (see below), whose sum is σ = 10115280. Its totient is φ = 9970500.

The previous prime is 10042883. The next prime is 10042897. The reversal of 10042889 is 98824001.

It is a happy number.

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 10042889 - 2⁸ = 10042633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10042883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35987 + ... + 36264.

It is an arithmetic number, because the mean of its divisors is an integer number (2528820).

Almost surely, 2^10042889 is an apocalyptic number.

It is an amenable number.

10042889 is a deficient number, since it is larger than the sum of its proper divisors (72391).

10042889 is an equidigital number, since it uses as much as digits as its factorization.

10042889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72390.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 10042889 is about 3169.0517509186. The cubic root of 10042889 is about 215.7510348797.

The spelling of 10042889 in words is "ten million, forty-two thousand, eight hundred eighty-nine".