400704446 has 8 divisors (see below), whose sum is σ = 609290544. Its totient is φ = 197607600.

The previous prime is 400704443. The next prime is 400704523. The reversal of 400704446 is 644407004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400704443) by changing a digit.

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, 1372130 + ... + 1372421.

It is an arithmetic number, because the mean of its divisors is an integer number (76161318).

Almost surely, 2^400704446 is an apocalyptic number.

400704446 is a deficient number, since it is larger than the sum of its proper divisors (208586098).

400704446 is a wasteful number, since it uses less digits than its factorization.

400704446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744626.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 400704446 is about 20017.6034030051. The cubic root of 400704446 is about 737.2385796046.

The spelling of 400704446 in words is "four hundred million, seven hundred four thousand, four hundred forty-six".