3778012 has 24 divisors (see below), whose sum is σ = 8001504. Its totient is φ = 1523712.

The previous prime is 3778007. The next prime is 3778039. The reversal of 3778012 is 2108773.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3493 + ... + 4444.

It is an arithmetic number, because the mean of its divisors is an integer number (333396).

Almost surely, 2^3778012 is an apocalyptic number.

It is an amenable number.

3778012 is an abundant number, since it is smaller than the sum of its proper divisors (4223492).

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

3778012 is a wasteful number, since it uses less digits than its factorization.

3778012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 3778012 is about 1943.7108838508. The cubic root of 3778012 is about 155.7475095940.

The spelling of 3778012 in words is "three million, seven hundred seventy-eight thousand, twelve".