394156 has 18 divisors (see below), whose sum is σ = 802788. Its totient is φ = 168840.

The previous prime is 394153. The next prime is 394157. The reversal of 394156 is 651493.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (394153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 810 + ... + 1201.

2³⁹⁴¹⁵⁶ is an apocalyptic number.

It is an amenable number.

394156 is an abundant number, since it is smaller than the sum of its proper divisors (408632).

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

394156 is a wasteful number, since it uses less digits than its factorization.

394156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2020 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 394156 is about 627.8184450938. The cubic root of 394156 is about 73.3200435054.

The spelling of 394156 in words is "three hundred ninety-four thousand, one hundred fifty-six".