400000484 has 24 divisors (see below), whose sum is σ = 754668600. Its totient is φ = 184414464.

The previous prime is 400000477. The next prime is 400000499. The reversal of 400000484 is 484000004.

It can be written as a sum of positive squares in 4 ways, for example, as 2795584 + 397204900 = 1672^2 + 19930^2 .

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 7 ways as a sum of consecutive naturals, for example, 50882 + ... + 58214.

It is an arithmetic number, because the mean of its divisors is an integer number (31444525).

Almost surely, 2^400000484 is an apocalyptic number.

It is an amenable number.

400000484 is a deficient number, since it is larger than the sum of its proper divisors (354668116).

400000484 is a wasteful number, since it uses less digits than its factorization.

400000484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399 (or 8397 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 400000484 is about 20000.0120999963. The cubic root of 400000484 is about 736.8065969065.

Adding to 400000484 its reverse (484000004), we get a palindrome (884000488).

The spelling of 400000484 in words is "four hundred million, four hundred eighty-four", and thus it is an aban number.