400387874 has 8 divisors (see below), whose sum is σ = 632191440. Its totient is φ = 189657396.

The previous prime is 400387849. The next prime is 400387963. The reversal of 400387874 is 478783004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5268224 + ... + 5268299.

It is an arithmetic number, because the mean of its divisors is an integer number (79023930).

Almost surely, 2^400387874 is an apocalyptic number.

400387874 is a deficient number, since it is larger than the sum of its proper divisors (231803566).

400387874 is a wasteful number, since it uses less digits than its factorization.

400387874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536544.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 400387874 is about 20009.6945004165. The cubic root of 400387874 is about 737.0443794628.

The spelling of 400387874 in words is "four hundred million, three hundred eighty-seven thousand, eight hundred seventy-four".