10401439 has 2 divisors, whose sum is σ = 10401440. Its totient is φ = 10401438.

The previous prime is 10401437. The next prime is 10401481. The reversal of 10401439 is 93410401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10401439 - 2¹ = 10401437 is a prime.

Together with 10401437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10401431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200719 + 5200720.

It is an arithmetic number, because the mean of its divisors is an integer number (5200720).

Almost surely, 2^10401439 is an apocalyptic number.

10401439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10401439 is an equidigital number, since it uses as much as digits as its factorization.

10401439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10401439 is about 3225.1261990812. The cubic root of 10401439 is about 218.2886435477.

The spelling of 10401439 in words is "ten million, four hundred one thousand, four hundred thirty-nine".