316437849 has 24 divisors (see below), whose sum is σ = 562557632. Its totient is φ = 166911840.

The previous prime is 316437833. The next prime is 316437853. The reversal of 316437849 is 948734613.

It is not a de Polignac number, because 316437849 - 2⁴ = 316437833 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (316437889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192367 + ... + 194004.

Almost surely, 2^316437849 is an apocalyptic number.

316437849 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

316437849 is a deficient number, since it is larger than the sum of its proper divisors (246119783).

316437849 is a wasteful number, since it uses less digits than its factorization.

316437849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386397 (or 386394 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 316437849 is about 17788.7000368211. The cubic root of 316437849 is about 681.4429056828.

The spelling of 316437849 in words is "three hundred sixteen million, four hundred thirty-seven thousand, eight hundred forty-nine".