3887290 has 16 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 1413520.

The previous prime is 3887281. The next prime is 3887291. The reversal of 3887290 is 927883.

It is a super-2 number, since 2×3887290² = 30222047088200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3887291) 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, 17560 + ... + 17779.

It is an arithmetic number, because the mean of its divisors is an integer number (477090).

Almost surely, 2^3887290 is an apocalyptic number.

3887290 is a deficient number, since it is larger than the sum of its proper divisors (3746150).

3887290 is a wasteful number, since it uses less digits than its factorization.

3887290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35357.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3887290 is about 1971.6211603652. The cubic root of 3887290 is about 157.2349114320.

The spelling of 3887290 in words is "three million, eight hundred eighty-seven thousand, two hundred ninety".