3212400404 has 6 divisors (see below), whose sum is σ = 5621700714. Its totient is φ = 1606200200.

The previous prime is 3212400391. The next prime is 3212400413. The reversal of 3212400404 is 4040042123.

It can be written as a sum of positive squares in only one way, i.e., 1980250000 + 1232150404 = 44500^2 + 35102^2 .

It is a congruent number.

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, 401550047 + ... + 401550054.

It is an arithmetic number, because the mean of its divisors is an integer number (936950119).

Almost surely, 2^3212400404 is an apocalyptic number.

It is an amenable number.

3212400404 is a deficient number, since it is larger than the sum of its proper divisors (2409300310).

3212400404 is a wasteful number, since it uses less digits than its factorization.

3212400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803100105 (or 803100103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3212400404 is about 56678.0416387158. The cubic root of 3212400404 is about 1475.5136242851.

Adding to 3212400404 its reverse (4040042123), we get a palindrome (7252442527).

The spelling of 3212400404 in words is "three billion, two hundred twelve million, four hundred thousand, four hundred four".