3778695 has 24 divisors (see below), whose sum is σ = 6610032. Its totient is φ = 1996800.

The previous prime is 3778681. The next prime is 3778717. The reversal of 3778695 is 5968773.

It is a happy number.

3778695 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 3778695 - 2⁴ = 3778679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3778695.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5575 + ... + 6215.

It is an arithmetic number, because the mean of its divisors is an integer number (275418).

Almost surely, 2^3778695 is an apocalyptic number.

3778695 is a deficient number, since it is larger than the sum of its proper divisors (2831337).

3778695 is a wasteful number, since it uses less digits than its factorization.

3778695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 780 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 3778695 is about 1943.8865707649. The cubic root of 3778695 is about 155.7568945244.

The spelling of 3778695 in words is "three million, seven hundred seventy-eight thousand, six hundred ninety-five".