1204408406 has 4 divisors (see below), whose sum is σ = 1806612612. Its totient is φ = 602204202.

The previous prime is 1204408391. The next prime is 1204408427. The reversal of 1204408406 is 6048044021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301102100 + ... + 301102103.

It is an arithmetic number, because the mean of its divisors is an integer number (451653153).

Almost surely, 2^1204408406 is an apocalyptic number.

1204408406 is a deficient number, since it is larger than the sum of its proper divisors (602204206).

1204408406 is an equidigital number, since it uses as much as digits as its factorization.

1204408406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602204205.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1204408406 is about 34704.5876794409. The cubic root of 1204408406 is about 1063.9582651531.

The spelling of 1204408406 in words is "one billion, two hundred four million, four hundred eight thousand, four hundred six".