400202 has 8 divisors (see below), whose sum is σ = 654912. Its totient is φ = 181900.

The previous prime is 400199. The next prime is 400207. The reversal of 400202 is 202004.

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

400202 is a modest number, since divided by 202 gives 40 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 400202.

It is not an unprimeable number, because it can be changed into a prime (400207) 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, 9074 + ... + 9117.

It is an arithmetic number, because the mean of its divisors is an integer number (81864).

2⁴⁰⁰²⁰² is an apocalyptic number.

400202 is a deficient number, since it is larger than the sum of its proper divisors (254710).

400202 is a wasteful number, since it uses less digits than its factorization.

400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18204.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 400202 is about 632.6152068991. The cubic root of 400202 is about 73.6930307916.

Adding to 400202 its reverse (202004), we get a palindrome (602206).

The spelling of 400202 in words is "four hundred thousand, two hundred two", and thus it is an iban number.