3142665 has 16 divisors (see below), whose sum is σ = 5587200. Its totient is φ = 1676016.

The previous prime is 3142661. The next prime is 3142681. The reversal of 3142665 is 5662413.

It is not a de Polignac number, because 3142665 - 2² = 3142661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11505 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (349200).

Almost surely, 2^3142665 is an apocalyptic number.

It is an amenable number.

3142665 is a deficient number, since it is larger than the sum of its proper divisors (2444535).

3142665 is a wasteful number, since it uses less digits than its factorization.

3142665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23293 (or 23287 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3142665 is about 1772.7563284332. The cubic root of 3142665 is about 146.4758509120.

The spelling of 3142665 in words is "three million, one hundred forty-two thousand, six hundred sixty-five".