401239941 has 8 divisors (see below), whose sum is σ = 535641504. Its totient is φ = 267165840.

The previous prime is 401239939. The next prime is 401240029. The reversal of 401239941 is 149932104.

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

It is not a de Polignac number, because 401239941 - 2¹ = 401239939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401239931) 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, 78991 + ... + 83916.

It is an arithmetic number, because the mean of its divisors is an integer number (66955188).

Almost surely, 2^401239941 is an apocalyptic number.

It is an amenable number.

401239941 is a deficient number, since it is larger than the sum of its proper divisors (134401563).

401239941 is a wasteful number, since it uses less digits than its factorization.

401239941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163731.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 401239941 is about 20030.9745394477. The cubic root of 401239941 is about 737.5668446929.

The spelling of 401239941 in words is "four hundred one million, two hundred thirty-nine thousand, nine hundred forty-one".