3890630 has 16 divisors (see below), whose sum is σ = 7372080. Its totient is φ = 1474272.

The previous prime is 3890609. The next prime is 3890633. The reversal of 3890630 is 360983.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3890593 and 3890602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890633) 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, 10049 + ... + 10428.

It is an arithmetic number, because the mean of its divisors is an integer number (460755).

Almost surely, 2^3890630 is an apocalyptic number.

3890630 is a deficient number, since it is larger than the sum of its proper divisors (3481450).

3890630 is a wasteful number, since it uses less digits than its factorization.

3890630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20503.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3890630 is about 1972.4679972055. The cubic root of 3890630 is about 157.2799311645.

The spelling of 3890630 in words is "three million, eight hundred ninety thousand, six hundred thirty".