3780528 has 80 divisors (see below), whose sum is σ = 10686816. Its totient is φ = 1146880.

The previous prime is 3780521. The next prime is 3780541. The reversal of 3780528 is 8250873.

It is not an unprimeable number, because it can be changed into a prime (3780521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33400 + ... + 33512.

Almost surely, 2^3780528 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 3780528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5343408).

3780528 is an abundant number, since it is smaller than the sum of its proper divisors (6906288).

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

3780528 is a wasteful number, since it uses less digits than its factorization.

3780528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3780528 is about 1944.3579917289. The cubic root of 3780528 is about 155.7820757255.

The spelling of 3780528 in words is "three million, seven hundred eighty thousand, five hundred twenty-eight".