3869040 has 160 divisors (see below), whose sum is σ = 14284800. Its totient is φ = 865536.

The previous prime is 3869029. The next prime is 3869051. The reversal of 3869040 is 409683.

3869040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3869029) and next prime (3869051).

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

It is a junction number, because it is equal to n+sod(n) for n = 3868989 and 3869007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82297 + ... + 82343.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

Almost surely, 2^3869040 is an apocalyptic number.

3869040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7142400).

3869040 is an abundant number, since it is smaller than the sum of its proper divisors (10415760).

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

3869040 is a wasteful number, since it uses less digits than its factorization.

3869040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3869040 is about 1966.9875444445. The cubic root of 3869040 is about 156.9884638636.

The spelling of 3869040 in words is "three million, eight hundred sixty-nine thousand, forty".