400794 has 16 divisors (see below), whose sum is σ = 814368. Its totient is φ = 131472.

The previous prime is 400759. The next prime is 400823. The reversal of 400794 is 497004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (50898).

2⁴⁰⁰⁷⁹⁴ is an apocalyptic number.

400794 is an abundant number, since it is smaller than the sum of its proper divisors (413574).

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

400794 is a wasteful number, since it uses less digits than its factorization.

400794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 400794 is about 633.0829329559. The cubic root of 400794 is about 73.7293497676.

Adding to 400794 its reverse (497004), we get a palindrome (897798).

The spelling of 400794 in words is "four hundred thousand, seven hundred ninety-four".