3778444 has 12 divisors (see below), whose sum is σ = 6634264. Its totient is φ = 1882944.

The previous prime is 3778429. The next prime is 3778447. The reversal of 3778444 is 4448773.

It is a happy number.

It is a super-2 number, since 2×3778444² = 28553278122272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3778447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54 + ... + 2749.

Almost surely, 2^3778444 is an apocalyptic number.

It is an amenable number.

3778444 is a deficient number, since it is larger than the sum of its proper divisors (2855820).

3778444 is a wasteful number, since it uses less digits than its factorization.

3778444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3142 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 3778444 is about 1943.8220083125. The cubic root of 3778444 is about 155.7534457283.

It can be divided in two parts, 3 and 778444, that multiplied together give a palindrome (2335332).

The spelling of 3778444 in words is "three million, seven hundred seventy-eight thousand, four hundred forty-four".