3885140 has 24 divisors (see below), whose sum is σ = 9324672. Its totient is φ = 1332000.

The previous prime is 3885127. The next prime is 3885149. The reversal of 3885140 is 415883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13736 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (388528).

Almost surely, 2^3885140 is an apocalyptic number.

It is an amenable number.

3885140 is an abundant number, since it is smaller than the sum of its proper divisors (5439532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3885140 is a wasteful number, since it uses less digits than its factorization.

3885140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27767 (or 27765 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 3885140 is about 1971.0758483630. The cubic root of 3885140 is about 157.2059180199.

The spelling of 3885140 in words is "three million, eight hundred eighty-five thousand, one hundred forty".