3889020 has 24 divisors (see below), whose sum is σ = 10889424. Its totient is φ = 1037056.

The previous prime is 3889013. The next prime is 3889027. The reversal of 3889020 is 209883.

It is an interprime number because it is at equal distance from previous prime (3889013) and next prime (3889027).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889027) 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, 32349 + ... + 32468.

It is an arithmetic number, because the mean of its divisors is an integer number (453726).

Almost surely, 2^3889020 is an apocalyptic number.

3889020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3889020 is an abundant number, since it is smaller than the sum of its proper divisors (7000404).

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

3889020 is a wasteful number, since it uses less digits than its factorization.

3889020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64829 (or 64827 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 3889020 is about 1972.0598368204. The cubic root of 3889020 is about 157.2582332538.

The spelling of 3889020 in words is "three million, eight hundred eighty-nine thousand, twenty".