3145887 has 12 divisors (see below), whose sum is σ = 4783480. Its totient is φ = 1986768.

The previous prime is 3145873. The next prime is 3145897. The reversal of 3145887 is 7885413.

It is not a de Polignac number, because 3145887 - 2⁶ = 3145823 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 (3145817) 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, 9028 + ... + 9369.

Almost surely, 2^3145887 is an apocalyptic number.

3145887 is a deficient number, since it is larger than the sum of its proper divisors (1637593).

3145887 is a wasteful number, since it uses less digits than its factorization.

3145887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18422 (or 18419 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3145887 is about 1773.6648499646. The cubic root of 3145887 is about 146.5258916679.

The spelling of 3145887 in words is "three million, one hundred forty-five thousand, eight hundred eighty-seven".