3870272 has 56 divisors (see below), whose sum is σ = 8997696. Its totient is φ = 1617408.

The previous prime is 3870259. The next prime is 3870283. The reversal of 3870272 is 2720783.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23663 + ... + 23825.

Almost surely, 2^3870272 is an apocalyptic number.

3870272 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 3870272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4498848).

3870272 is an abundant number, since it is smaller than the sum of its proper divisors (5127424).

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

3870272 is a wasteful number, since it uses less digits than its factorization.

3870272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 3870272 is about 1967.3006887611. The cubic root of 3870272 is about 157.0051251251.

The spelling of 3870272 in words is "three million, eight hundred seventy thousand, two hundred seventy-two".