3890086 has 4 divisors (see below), whose sum is σ = 5835132. Its totient is φ = 1945042.

The previous prime is 3890083. The next prime is 3890111. The reversal of 3890086 is 6800983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6800983 = 7 ⋅971569.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972520 + ... + 972523.

It is an arithmetic number, because the mean of its divisors is an integer number (1458783).

Almost surely, 2^3890086 is an apocalyptic number.

3890086 is a deficient number, since it is larger than the sum of its proper divisors (1945046).

3890086 is a wasteful number, since it uses less digits than its factorization.

3890086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945045.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 3890086 is about 1972.3300940765. The cubic root of 3890086 is about 157.2726003662.

The spelling of 3890086 in words is "three million, eight hundred ninety thousand, eighty-six".