1408712317 has 8 divisors (see below), whose sum is σ = 1462842360. Its totient is φ = 1355523840.

The previous prime is 1408712311. The next prime is 1408712339. The reversal of 1408712317 is 7132178041.

It can be written as a sum of positive squares in 4 ways, for example, as 302551236 + 1106161081 = 17394^2 + 33259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1408712317 - 2³ = 1408712309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408712311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232342 + ... + 238327.

It is an arithmetic number, because the mean of its divisors is an integer number (182855295).

Almost surely, 2^1408712317 is an apocalyptic number.

It is an amenable number.

1408712317 is a deficient number, since it is larger than the sum of its proper divisors (54130043).

1408712317 is an equidigital number, since it uses as much as digits as its factorization.

1408712317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470783.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1408712317 is about 37532.8165343343. The cubic root of 1408712317 is about 1121.0047098907.

The spelling of 1408712317 in words is "one billion, four hundred eight million, seven hundred twelve thousand, three hundred seventeen".