3778690 has 16 divisors (see below), whose sum is σ = 6842880. Its totient is φ = 1502320.

The previous prime is 3778681. The next prime is 3778717. The reversal of 3778690 is 968773.

It is a super-2 number, since 2×3778690² = 28556996232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735 + ... + 2845.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

Almost surely, 2^3778690 is an apocalyptic number.

3778690 is a deficient number, since it is larger than the sum of its proper divisors (3064190).

3778690 is a wasteful number, since it uses less digits than its factorization.

3778690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3778690 is about 1943.8852846812. The cubic root of 3778690 is about 155.7568258248.

The spelling of 3778690 in words is "three million, seven hundred seventy-eight thousand, six hundred ninety".