10289391 has 32 divisors (see below), whose sum is σ = 16293888. Its totient is φ = 5654880.

The previous prime is 10289387. The next prime is 10289407. The reversal of 10289391 is 19398201.

10289391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10289391 - 2² = 10289387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10289351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99846 + ... + 99948.

It is an arithmetic number, because the mean of its divisors is an integer number (509184).

Almost surely, 2^10289391 is an apocalyptic number.

10289391 is a deficient number, since it is larger than the sum of its proper divisors (6004497).

10289391 is a wasteful number, since it uses less digits than its factorization.

10289391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 10289391 is about 3207.7080602823. The cubic root of 10289391 is about 217.5019843920.

The spelling of 10289391 in words is "ten million, two hundred eighty-nine thousand, three hundred ninety-one".