400300004 has 24 divisors (see below), whose sum is σ = 787214400. Its totient is φ = 176720544.

The previous prime is 400300001. The next prime is 400300007. The reversal of 400300004 is 400003004.

It is an interprime number because it is at equal distance from previous prime (400300001) and next prime (400300007).

It is not an unprimeable number, because it can be changed into a prime (400300001) 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 7 ways as a sum of consecutive naturals, for example, 166154 + ... + 168545.

It is an arithmetic number, because the mean of its divisors is an integer number (32800600).

Almost surely, 2^400300004 is an apocalyptic number.

It is an amenable number.

400300004 is a deficient number, since it is larger than the sum of its proper divisors (386914396).

400300004 is a wasteful number, since it uses less digits than its factorization.

400300004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334739 (or 334737 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 400300004 is about 20007.4986942396. The cubic root of 400300004 is about 736.9904577266.

Adding to 400300004 its reverse (400003004), we get a palindrome (800303008).

The spelling of 400300004 in words is "four hundred million, three hundred thousand, four".