401321349 has 24 divisors (see below), whose sum is σ = 681032352. Its totient is φ = 224514720.

The previous prime is 401321317. The next prime is 401321399. The reversal of 401321349 is 943123104.

401321349 is a `hidden beast` number, since 401 + 3 + 213 + 49 = 666.

It is not a de Polignac number, because 401321349 - 2⁵ = 401321317 is a prime.

It is a super-2 number, since 2×401321349² = 322117650326359602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401321399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154627 + ... + 157200.

It is an arithmetic number, because the mean of its divisors is an integer number (28376348).

Almost surely, 2^401321349 is an apocalyptic number.

It is an amenable number.

401321349 is a deficient number, since it is larger than the sum of its proper divisors (279711003).

401321349 is a wasteful number, since it uses less digits than its factorization.

401321349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311857 (or 311854 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 401321349 is about 20033.0064892916. The cubic root of 401321349 is about 737.6167232280.

The spelling of 401321349 in words is "four hundred one million, three hundred twenty-one thousand, three hundred forty-nine".