3889637 has 4 divisors (see below), whose sum is σ = 3917760. Its totient is φ = 3861516.

The previous prime is 3889631. The next prime is 3889649. The reversal of 3889637 is 7369883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3889637 - 2⁴ = 3889621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13853 + ... + 14130.

It is an arithmetic number, because the mean of its divisors is an integer number (979440).

Almost surely, 2^3889637 is an apocalyptic number.

It is an amenable number.

3889637 is a deficient number, since it is larger than the sum of its proper divisors (28123).

3889637 is a wasteful number, since it uses less digits than its factorization.

3889637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28122.

The product of its digits is 217728, while the sum is 44.

The square root of 3889637 is about 1972.2162660317. The cubic root of 3889637 is about 157.2665492477.

The spelling of 3889637 in words is "three million, eight hundred eighty-nine thousand, six hundred thirty-seven".