3786280 has 32 divisors (see below), whose sum is σ = 8611200. Its totient is φ = 1498176.

The previous prime is 3786271. The next prime is 3786281. The reversal of 3786280 is 826873.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3786281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661 + ... + 4579.

It is an arithmetic number, because the mean of its divisors is an integer number (269100).

Almost surely, 2^3786280 is an apocalyptic number.

It is an amenable number.

3786280 is an abundant number, since it is smaller than the sum of its proper divisors (4824920).

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

3786280 is a wasteful number, since it uses less digits than its factorization.

3786280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1029 counting only the distinct ones).

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

The square root of 3786280 is about 1945.8365810109. The cubic root of 3786280 is about 155.8610421589.

The spelling of 3786280 in words is "three million, seven hundred eighty-six thousand, two hundred eighty".