3898566 has 24 divisors (see below), whose sum is σ = 9653904. Its totient is φ = 1113840.

The previous prime is 3898561. The next prime is 3898589. The reversal of 3898566 is 6658983.

3898566 is a `hidden beast` number, since 3 + 89 + 8 + 566 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15345 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (402246).

Almost surely, 2^3898566 is an apocalyptic number.

3898566 is an abundant number, since it is smaller than the sum of its proper divisors (5755338).

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

3898566 is a wasteful number, since it uses less digits than its factorization.

3898566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30956 (or 30953 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3898566 is about 1974.4786653697. The cubic root of 3898566 is about 157.3867969618.

The spelling of 3898566 in words is "three million, eight hundred ninety-eight thousand, five hundred sixty-six".