400774 has 8 divisors (see below), whose sum is σ = 655848. Its totient is φ = 182160.

The previous prime is 400759. The next prime is 400823. The reversal of 400774 is 477004.

It is a happy number.

400774 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.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 18217 = 400774 / (4 + 0 + 0 + 7 + 7 + 4).

It is a congruent number.

It is an unprimeable number.

400774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9087 + ... + 9130.

It is an arithmetic number, because the mean of its divisors is an integer number (81981).

2⁴⁰⁰⁷⁷⁴ is an apocalyptic number.

400774 is a deficient number, since it is larger than the sum of its proper divisors (255074).

400774 is a wasteful number, since it uses less digits than its factorization.

400774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 400774 is about 633.0671370400. The cubic root of 400774 is about 73.7281233591.

Adding to 400774 its reverse (477004), we get a palindrome (877778).

The spelling of 400774 in words is "four hundred thousand, seven hundred seventy-four", and thus it is an iban number.