401111399 has 8 divisors (see below), whose sum is σ = 434465472. Its totient is φ = 368114400.

The previous prime is 401111377. The next prime is 401111401. The reversal of 401111399 is 993111104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401111399 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 (401111309) 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, 86927 + ... + 91424.

It is an arithmetic number, because the mean of its divisors is an integer number (54308184).

Almost surely, 2^401111399 is an apocalyptic number.

401111399 is a deficient number, since it is larger than the sum of its proper divisors (33354073).

401111399 is a wasteful number, since it uses less digits than its factorization.

401111399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178537.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 401111399 is about 20027.7657016453. The cubic root of 401111399 is about 737.4880735024.

The spelling of 401111399 in words is "four hundred one million, one hundred eleven thousand, three hundred ninety-nine".