3839520 has 96 divisors (see below), whose sum is σ = 12761280. Its totient is φ = 967680.

The previous prime is 3839519. The next prime is 3839533. The reversal of 3839520 is 259383.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8910 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (132930).

Almost surely, 2^3839520 is an apocalyptic number.

3839520 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 3839520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6380640).

3839520 is an abundant number, since it is smaller than the sum of its proper divisors (8921760).

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

3839520 is a wasteful number, since it uses less digits than its factorization.

3839520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3839520 is about 1959.4693159118. The cubic root of 3839520 is about 156.5881805955.

The spelling of 3839520 in words is "three million, eight hundred thirty-nine thousand, five hundred twenty".