401798271 has 8 divisors (see below), whose sum is σ = 612264064. Its totient is φ = 229599000.

The previous prime is 401798261. The next prime is 401798291. The reversal of 401798271 is 172897104.

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

It is not a de Polignac number, because 401798271 - 2⁵ = 401798239 is a prime.

It is a super-2 number, since 2×401798271² = 322883701157178882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401798251) 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, 9566605 + ... + 9566646.

It is an arithmetic number, because the mean of its divisors is an integer number (76533008).

Almost surely, 2^401798271 is an apocalyptic number.

401798271 is a deficient number, since it is larger than the sum of its proper divisors (210465793).

401798271 is a wasteful number, since it uses less digits than its factorization.

401798271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19133261.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 401798271 is about 20044.9063604697. The cubic root of 401798271 is about 737.9087970520.

The spelling of 401798271 in words is "four hundred one million, seven hundred ninety-eight thousand, two hundred seventy-one".