3878272 has 32 divisors (see below), whose sum is σ = 7925400. Its totient is φ = 1889280.

The previous prime is 3878269. The next prime is 3878279. The reversal of 3878272 is 2728783.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878279) 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, 4879 + ... + 5617.

Almost surely, 2^3878272 is an apocalyptic number.

3878272 is a gapful number since it is divisible by the number (32) 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 3878272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3962700).

3878272 is an abundant number, since it is smaller than the sum of its proper divisors (4047128).

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

3878272 is an equidigital number, since it uses as much as digits as its factorization.

3878272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 782 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 3878272 is about 1969.3328819679. The cubic root of 3878272 is about 157.1132292037.

The spelling of 3878272 in words is "three million, eight hundred seventy-eight thousand, two hundred seventy-two".