401188 has 6 divisors (see below), whose sum is σ = 702086. Its totient is φ = 200592.

The previous prime is 401179. The next prime is 401201. The reversal of 401188 is 881104.

It can be written as a sum of positive squares in only one way, i.e., 399424 + 1764 = 632^2 + 42^2 .

It is a super-2 number, since 2×401188² = 321903622688, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50145 + ... + 50152.

2⁴⁰¹¹⁸⁸ is an apocalyptic number.

It is an amenable number.

401188 is a deficient number, since it is larger than the sum of its proper divisors (300898).

401188 is a wasteful number, since it uses less digits than its factorization.

401188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100301 (or 100299 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 401188 is about 633.3940321790. The cubic root of 401188 is about 73.7535017010.

The spelling of 401188 in words is "four hundred one thousand, one hundred eighty-eight".