401396 has 12 divisors (see below), whose sum is σ = 733152. Its totient is φ = 191928.

The previous prime is 401393. The next prime is 401407. The reversal of 401396 is 693104.

It is a super-2 number, since 2×401396² = 322237497632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 401396.

It is not an unprimeable number, because it can be changed into a prime (401393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (61096).

2⁴⁰¹³⁹⁶ is an apocalyptic number.

401396 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

401396 is a deficient number, since it is larger than the sum of its proper divisors (331756).

401396 is a wasteful number, since it uses less digits than its factorization.

401396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390 (or 4388 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 401396 is about 633.5582056923. The cubic root of 401396 is about 73.7662455833.

It can be divided in two parts, 401 and 396, that added together give a palindrome (797).

The spelling of 401396 in words is "four hundred one thousand, three hundred ninety-six".