316903749 has 8 divisors (see below), whose sum is σ = 447393600. Its totient is φ = 198841536.

The previous prime is 316903733. The next prime is 316903757. The reversal of 316903749 is 947309613.

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

It is not a de Polignac number, because 316903749 - 2⁴ = 316903733 is a prime.

It is a super-2 number, since 2×316903749² = 200855972260510002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316903749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316903759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106849 + ... + 3106950.

It is an arithmetic number, because the mean of its divisors is an integer number (55924200).

Almost surely, 2^316903749 is an apocalyptic number.

It is an amenable number.

316903749 is a deficient number, since it is larger than the sum of its proper divisors (130489851).

316903749 is a wasteful number, since it uses less digits than its factorization.

316903749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213819.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 316903749 is about 17801.7906121828. The cubic root of 316903749 is about 681.7771772884. Note that the first 3 decimals are identical.

The spelling of 316903749 in words is "three hundred sixteen million, nine hundred three thousand, seven hundred forty-nine".