401178 has 8 divisors (see below), whose sum is σ = 802368. Its totient is φ = 133724.

The previous prime is 401173. The next prime is 401179. The reversal of 401178 is 871104.

401178 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

401178 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401173) 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, 33426 + ... + 33437.

It is an arithmetic number, because the mean of its divisors is an integer number (100296).

2⁴⁰¹¹⁷⁸ is an apocalyptic number.

401178 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401178 is a wasteful number, since it uses less digits than its factorization.

401178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66868.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 401178 is about 633.3861381495. The cubic root of 401178 is about 73.7528889034.

The spelling of 401178 in words is "four hundred one thousand, one hundred seventy-eight".