3880646 has 32 divisors (see below), whose sum is σ = 7354368. Its totient is φ = 1491840.

The previous prime is 3880633. The next prime is 3880661. The reversal of 3880646 is 6460883.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17291 + ... + 17513.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

Almost surely, 2^3880646 is an apocalyptic number.

3880646 is a deficient number, since it is larger than the sum of its proper divisors (3473722).

3880646 is a wasteful number, since it uses less digits than its factorization.

3880646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 3880646 is about 1969.9355319401. The cubic root of 3880646 is about 157.1452804821.

The spelling of 3880646 in words is "three million, eight hundred eighty thousand, six hundred forty-six".