3146661 has 16 divisors (see below), whose sum is σ = 5328000. Its totient is φ = 1797984.

The previous prime is 3146659. The next prime is 3146687. The reversal of 3146661 is 1666413.

It is not a de Polignac number, because 3146661 - 2¹ = 3146659 is a prime.

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

3146661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146651) 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, 8136 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (333000).

Almost surely, 2^3146661 is an apocalyptic number.

It is an amenable number.

3146661 is a deficient number, since it is larger than the sum of its proper divisors (2181339).

3146661 is a wasteful number, since it uses less digits than its factorization.

3146661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665 (or 16659 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 3146661 is about 1773.8830288381. The cubic root of 3146661 is about 146.5379075414.

The spelling of 3146661 in words is "three million, one hundred forty-six thousand, six hundred sixty-one".