3778635 has 48 divisors (see below), whose sum is σ = 7239456. Its totient is φ = 1677312.

The previous prime is 3778627. The next prime is 3778637. The reversal of 3778635 is 5368773.

3778635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3778635 - 2³ = 3778627 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3⁶ + 7⁷ + 7⁷ + 8³ + 6² + 3¹¹ + 5⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 3778593 and 3778602.

It is not an unprimeable number, because it can be changed into a prime (3778637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38907 + ... + 39003.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

Almost surely, 2^3778635 is an apocalyptic number.

3778635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3778635 is a deficient number, since it is larger than the sum of its proper divisors (3460821).

3778635 is a wasteful number, since it uses less digits than its factorization.

3778635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 165 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 3778635 is about 1943.8711377043. The cubic root of 3778635 is about 155.7560701249.

The spelling of 3778635 in words is "three million, seven hundred seventy-eight thousand, six hundred thirty-five".