3827680 has 48 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 1495552.

The previous prime is 3827671. The next prime is 3827693. The reversal of 3827680 is 867283.

It is a happy number.

It is a super-2 number, since 2×3827680² = 29302268364800, which contains 22 as substring.

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, 7266 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

Almost surely, 2^3827680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3827680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626720).

3827680 is an abundant number, since it is smaller than the sum of its proper divisors (5425760).

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

3827680 is a wasteful number, since it uses less digits than its factorization.

3827680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 3827680 is about 1956.4457569787. The cubic root of 3827680 is about 156.4270568897.

The spelling of 3827680 in words is "three million, eight hundred twenty-seven thousand, six hundred eighty".