3898630 has 16 divisors (see below), whose sum is σ = 7056720. Its totient is φ = 1550752.

The previous prime is 3898619. The next prime is 3898633. The reversal of 3898630 is 368983.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3898630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (441045).

Almost surely, 2^3898630 is an apocalyptic number.

3898630 is a deficient number, since it is larger than the sum of its proper divisors (3158090).

3898630 is a wasteful number, since it uses less digits than its factorization.

3898630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3898630 is about 1974.4948721129. The cubic root of 3898630 is about 157.3876581929.

The spelling of 3898630 in words is "three million, eight hundred ninety-eight thousand, six hundred thirty".