400152 has 16 divisors (see below), whose sum is σ = 1000440. Its totient is φ = 133376.

The previous prime is 400151. The next prime is 400157. The reversal of 400152 is 251004.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 400152.

It is not an unprimeable number, because it can be changed into a prime (400151) 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, 8313 + ... + 8360.

2⁴⁰⁰¹⁵² is an apocalyptic number.

It is an amenable number.

400152 is an abundant number, since it is smaller than the sum of its proper divisors (600288).

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

400152 is a wasteful number, since it uses less digits than its factorization.

400152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16682 (or 16678 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 400152 is about 632.5756871711. The cubic root of 400152 is about 73.6899616707.

Adding to 400152 its reverse (251004), we get a palindrome (651156).

The spelling of 400152 in words is "four hundred thousand, one hundred fifty-two".