3786480 has 80 divisors (see below), whose sum is σ = 13049760. Its totient is φ = 1009152.

The previous prime is 3786463. The next prime is 3786481. The reversal of 3786480 is 846873.

3786480 is a `hidden beast` number, since 3 + 7 + 8 + 648 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3786481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (163122).

Almost surely, 2^3786480 is an apocalyptic number.

3786480 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 3786480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6524880).

3786480 is an abundant number, since it is smaller than the sum of its proper divisors (9263280).

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

3786480 is a wasteful number, since it uses less digits than its factorization.

3786480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3786480 is about 1945.8879721094. The cubic root of 3786480 is about 155.8637864233.

The spelling of 3786480 in words is "three million, seven hundred eighty-six thousand, four hundred eighty".