3778774 has 4 divisors (see below), whose sum is σ = 5668164. Its totient is φ = 1889386.

The previous prime is 3778771. The next prime is 3778793. The reversal of 3778774 is 4778773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4778773 = 877 ⋅5449.

It is a self number, because there is not a number n which added to its sum of digits gives 3778774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944692 + ... + 944695.

It is an arithmetic number, because the mean of its divisors is an integer number (1417041).

Almost surely, 2^3778774 is an apocalyptic number.

3778774 is a deficient number, since it is larger than the sum of its proper divisors (1889390).

3778774 is a wasteful number, since it uses less digits than its factorization.

3778774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889389.

The product of its digits is 230496, while the sum is 43.

The square root of 3778774 is about 1943.9068907743. The cubic root of 3778774 is about 155.7579799705.

Subtracting 3778774 from its reverse (4778773), we obtain a palindrome (999999).

The spelling of 3778774 in words is "three million, seven hundred seventy-eight thousand, seven hundred seventy-four".