401316 has 24 divisors (see below), whose sum is σ = 955584. Its totient is φ = 131040.

The previous prime is 401311. The next prime is 401321. The reversal of 401316 is 613104.

It is an interprime number because it is at equal distance from previous prime (401311) and next prime (401321).

It is a super-2 number, since 2×401316² = 322109063712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401295 and 401304.

It is not an unprimeable number, because it can be changed into a prime (401311) by changing a digit.

401316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (39816).

2⁴⁰¹³¹⁶ is an apocalyptic number.

It is an amenable number.

401316 is an abundant number, since it is smaller than the sum of its proper divisors (554268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401316 is a wasteful number, since it uses less digits than its factorization.

401316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 401316 is about 633.4950670684. The cubic root of 401316 is about 73.7613446112.

It can be divided in two parts, 401 and 316, that added together give a palindrome (717).

The spelling of 401316 in words is "four hundred one thousand, three hundred sixteen".