400373674 has 4 divisors (see below), whose sum is σ = 600560514. Its totient is φ = 200186836.

The previous prime is 400373663. The next prime is 400373689. The reversal of 400373674 is 476373004.

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., 327356649 + 73017025 = 18093^2 + 8545^2 .

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, 100093417 + ... + 100093420.

Almost surely, 2^400373674 is an apocalyptic number.

400373674 is a deficient number, since it is larger than the sum of its proper divisors (200186840).

400373674 is a wasteful number, since it uses less digits than its factorization.

400373674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200186839.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 400373674 is about 20009.3396692645. The cubic root of 400373674 is about 737.0356661171.

It can be divided in two parts, 4003 and 73674, that added together give a palindrome (77677).

The spelling of 400373674 in words is "four hundred million, three hundred seventy-three thousand, six hundred seventy-four".