10642389 has 8 divisors (see below), whose sum is σ = 14217312. Its totient is φ = 7081200.

The previous prime is 10642381. The next prime is 10642397. The reversal of 10642389 is 98324601.

10642389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10642381) and next prime (10642397).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10642389 - 2³ = 10642381 is a prime.

It is a super-2 number, since 2×10642389² = 226520887254642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642381) 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, 1462 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (1777164).

Almost surely, 2^10642389 is an apocalyptic number.

It is an amenable number.

10642389 is a deficient number, since it is larger than the sum of its proper divisors (3574923).

10642389 is an equidigital number, since it uses as much as digits as its factorization.

10642389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 10642389 is about 3262.2674629772. The cubic root of 10642389 is about 219.9613499596.

The spelling of 10642389 in words is "ten million, six hundred forty-two thousand, three hundred eighty-nine".