3145808 has 10 divisors (see below), whose sum is σ = 6095034. Its totient is φ = 1572896.

The previous prime is 3145801. The next prime is 3145817. The reversal of 3145808 is 8085413.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 1317904 = 1352^2 + 1148^2 .

It is a super-2 number, since 2×3145808² = 19792215945728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98291 + ... + 98322.

Almost surely, 2^3145808 is an apocalyptic number.

It is an amenable number.

3145808 is a deficient number, since it is larger than the sum of its proper divisors (2949226).

3145808 is a wasteful number, since it uses less digits than its factorization.

3145808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196621 (or 196615 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 3145808 is about 1773.6425795520. The cubic root of 3145808 is about 146.5246651307.

The spelling of 3145808 in words is "three million, one hundred forty-five thousand, eight hundred eight".