400161874 has 8 divisors (see below), whose sum is σ = 685991808. Its totient is φ = 171497940.

The previous prime is 400161871. The next prime is 400161877. The reversal of 400161874 is 478161004.

It is an interprime number because it is at equal distance from previous prime (400161871) and next prime (400161877).

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

It is not an unprimeable number, because it can be changed into a prime (400161871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14291482 + ... + 14291509.

It is an arithmetic number, because the mean of its divisors is an integer number (85748976).

Almost surely, 2^400161874 is an apocalyptic number.

400161874 is a deficient number, since it is larger than the sum of its proper divisors (285829934).

400161874 is a wasteful number, since it uses less digits than its factorization.

400161874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28583000.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 400161874 is about 20004.0464406580. The cubic root of 400161874 is about 736.9056778095.

The spelling of 400161874 in words is "four hundred million, one hundred sixty-one thousand, eight hundred seventy-four".