400748 has 12 divisors (see below), whose sum is σ = 738360. Its totient is φ = 189792.

The previous prime is 400739. The next prime is 400753. The reversal of 400748 is 847004.

400748 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

400748 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, 2561 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (61530).

2⁴⁰⁰⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

400748 is a deficient number, since it is larger than the sum of its proper divisors (337612).

400748 is a wasteful number, since it uses less digits than its factorization.

400748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296 (or 5294 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 400748 is about 633.0466017601. The cubic root of 400748 is about 73.7265289670.

The spelling of 400748 in words is "four hundred thousand, seven hundred forty-eight".