400675794 has 8 divisors (see below), whose sum is σ = 801351600. Its totient is φ = 133558596.

The previous prime is 400675783. The next prime is 400675811. The reversal of 400675794 is 497576004.

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

400675794 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33389644 + ... + 33389655.

It is an arithmetic number, because the mean of its divisors is an integer number (100168950).

Almost surely, 2^400675794 is an apocalyptic number.

400675794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400675794 is a wasteful number, since it uses less digits than its factorization.

400675794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66779304.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 400675794 is about 20016.8877201227. The cubic root of 400675794 is about 737.2210073320.

It can be divided in two parts, 4006 and 75794, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 400675794 in words is "four hundred million, six hundred seventy-five thousand, seven hundred ninety-four".