400485674 has 4 divisors (see below), whose sum is σ = 600728514. Its totient is φ = 200242836.

The previous prime is 400485619. The next prime is 400485713. The reversal of 400485674 is 476584004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 399720049 + 765625 = 19993^2 + 875^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100121417 + ... + 100121420.

Almost surely, 2^400485674 is an apocalyptic number.

400485674 is a deficient number, since it is larger than the sum of its proper divisors (200242840).

400485674 is a wasteful number, since it uses less digits than its factorization.

400485674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200242839.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 400485674 is about 20012.1381666228. The cubic root of 400485674 is about 737.1043855025.

The spelling of 400485674 in words is "four hundred million, four hundred eighty-five thousand, six hundred seventy-four".