400734004 has 12 divisors (see below), whose sum is σ = 765037728. Its totient is φ = 182151800.

The previous prime is 400733999. The next prime is 400734023. The reversal of 400734004 is 400437004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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, 4553752 + ... + 4553839.

It is an arithmetic number, because the mean of its divisors is an integer number (63753144).

Almost surely, 2^400734004 is an apocalyptic number.

400734004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400734004 is a deficient number, since it is larger than the sum of its proper divisors (364303724).

400734004 is a wasteful number, since it uses less digits than its factorization.

400734004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9107606 (or 9107604 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 400734004 is about 20018.3416895606. The cubic root of 400734004 is about 737.2567066493.

The spelling of 400734004 in words is "four hundred million, seven hundred thirty-four thousand, four".