1404479317 has 2 divisors, whose sum is σ = 1404479318. Its totient is φ = 1404479316.

The previous prime is 1404479303. The next prime is 1404479357. The reversal of 1404479317 is 7139744041.

It is an a-pointer prime, because the next prime (1404479357) can be obtained adding 1404479317 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108157521 + 296321796 = 33289^2 + 17214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404479317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1404479317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404479357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702239658 + 702239659.

It is an arithmetic number, because the mean of its divisors is an integer number (702239659).

Almost surely, 2^1404479317 is an apocalyptic number.

It is an amenable number.

1404479317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404479317 is an equidigital number, since it uses as much as digits as its factorization.

1404479317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 1404479317 is about 37476.3834567852. The cubic root of 1404479317 is about 1119.8807581917.

The spelling of 1404479317 in words is "one billion, four hundred four million, four hundred seventy-nine thousand, three hundred seventeen".