3890061 has 18 divisors (see below), whose sum is σ = 6537102. Its totient is φ = 2222640.

The previous prime is 3890057. The next prime is 3890063. The reversal of 3890061 is 1600983.

It can be written as a sum of positive squares in only one way, i.e., 3493161 + 396900 = 1869^2 + 630^2 .

It is not a de Polignac number, because 3890061 - 2² = 3890057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890063) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3970 + ... + 4851.

Almost surely, 2^3890061 is an apocalyptic number.

It is an amenable number.

3890061 is a deficient number, since it is larger than the sum of its proper divisors (2647041).

3890061 is a wasteful number, since it uses less digits than its factorization.

3890061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841 (or 8831 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3890061 is about 1972.3237563848. The cubic root of 3890061 is about 157.2722634565.

The spelling of 3890061 in words is "three million, eight hundred ninety thousand, sixty-one".