401311846 has 16 divisors (see below), whose sum is σ = 654336144. Its totient is φ = 183488544.

The previous prime is 401311811. The next prime is 401311847. The reversal of 401311846 is 648113104.

It is a super-2 number, since 2×401311846² = 322102395479855432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401311847) 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, 69345 + ... + 74908.

It is an arithmetic number, because the mean of its divisors is an integer number (40896009).

Almost surely, 2^401311846 is an apocalyptic number.

401311846 is a deficient number, since it is larger than the sum of its proper divisors (253024298).

401311846 is a wasteful number, since it uses less digits than its factorization.

401311846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144375.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 401311846 is about 20032.7693043174. The cubic root of 401311846 is about 737.6109011047.

The spelling of 401311846 in words is "four hundred one million, three hundred eleven thousand, eight hundred forty-six".