3880845 has 64 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 1824768.

The previous prime is 3880817. The next prime is 3880847. The reversal of 3880845 is 5480883.

It is not a de Polignac number, because 3880845 - 2⁶ = 3880781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43561 + ... + 43649.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

Almost surely, 2^3880845 is an apocalyptic number.

It is an amenable number.

3880845 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3880845 is a wasteful number, since it uses less digits than its factorization.

3880845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 3880845 is about 1969.9860405597. The cubic root of 3880845 is about 157.1479665792.

The spelling of 3880845 in words is "three million, eight hundred eighty thousand, eight hundred forty-five".