401696 has 12 divisors (see below), whose sum is σ = 790902. Its totient is φ = 200832.

The previous prime is 401689. The next prime is 401707. The reversal of 401696 is 696104.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 190096 = 460^2 + 436^2 .

It is a super-2 number, since 2×401696² = 322719352832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 401696.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245 + ... + 6308.

2⁴⁰¹⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

401696 is a deficient number, since it is larger than the sum of its proper divisors (389206).

401696 is a wasteful number, since it uses less digits than its factorization.

401696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12563 (or 12555 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 401696 is about 633.7949195126. The cubic root of 401696 is about 73.7846184310.

The spelling of 401696 in words is "four hundred one thousand, six hundred ninety-six".