3787889 has 16 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 3020544.

The previous prime is 3787877. The next prime is 3787919. The reversal of 3787889 is 9887873.

It is a cyclic number.

It is not a de Polignac number, because 3787889 - 2²⁰ = 2739313 is a prime.

Its product of digits (677376) is a multiple of the sum of its prime divisors (392).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3783889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16427 + ... + 16655.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

Almost surely, 2^3787889 is an apocalyptic number.

It is an amenable number.

3787889 is a deficient number, since it is larger than the sum of its proper divisors (848911).

3787889 is a wasteful number, since it uses less digits than its factorization.

3787889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its digits is 677376, while the sum is 50.

The square root of 3787889 is about 1946.2499839435. The cubic root of 3787889 is about 155.8831170276.

The spelling of 3787889 in words is "three million, seven hundred eighty-seven thousand, eight hundred eighty-nine".