401013389 has 4 divisors (see below), whose sum is σ = 458301024. Its totient is φ = 343725756.

The previous prime is 401013377. The next prime is 401013407. The reversal of 401013389 is 983310104.

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 401013389 - 2¹⁶ = 400947853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401013689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28643807 + ... + 28643820.

It is an arithmetic number, because the mean of its divisors is an integer number (114575256).

Almost surely, 2^401013389 is an apocalyptic number.

It is an amenable number.

401013389 is a deficient number, since it is larger than the sum of its proper divisors (57287635).

401013389 is an equidigital number, since it uses as much as digits as its factorization.

401013389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57287634.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 401013389 is about 20025.3186990869. The cubic root of 401013389 is about 737.4280011682.

The spelling of 401013389 in words is "four hundred one million, thirteen thousand, three hundred eighty-nine".