3788280 has 96 divisors (see below), whose sum is σ = 13057200. Its totient is φ = 949248.

The previous prime is 3788273. The next prime is 3788303. The reversal of 3788280 is 828873.

3788280 is a `hidden beast` number, since 378 + 8 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5811 + ... + 6429.

Almost surely, 2^3788280 is an apocalyptic number.

3788280 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 3788280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6528600).

3788280 is an abundant number, since it is smaller than the sum of its proper divisors (9268920).

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

3788280 is a wasteful number, since it uses less digits than its factorization.

3788280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 3788280 is about 1946.3504309348. The cubic root of 3788280 is about 155.8884804549. Note that the first 3 decimals are identical.

The spelling of 3788280 in words is "three million, seven hundred eighty-eight thousand, two hundred eighty".