3171604490 has 24 divisors (see below), whose sum is σ = 6064464492. Its totient is φ = 1194014720.

The previous prime is 3171604483. The next prime is 3171604493. The reversal of 3171604490 is 944061713.

It is a Cunningham number, because it is equal to 56317²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1141831681 + 2029772809 = 33791^2 + 45053^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3171604490.

It is not an unprimeable number, because it can be changed into a prime (3171604493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545831 + ... + 551610.

Almost surely, 2^3171604490 is an apocalyptic number.

3171604490 is a deficient number, since it is larger than the sum of its proper divisors (2892860002).

3171604490 is a wasteful number, since it uses less digits than its factorization.

3171604490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097482 (or 1097465 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3171604490 is about 56317.0000088783. Note that the first 5 decimals coincide. The cubic root of 3171604490 is about 1469.2408948766.

The spelling of 3171604490 in words is "three billion, one hundred seventy-one million, six hundred four thousand, four hundred ninety".