3778522 has 16 divisors (see below), whose sum is σ = 6547392. Its totient is φ = 1616320.

The previous prime is 3778517. The next prime is 3778531. The reversal of 3778522 is 2258773.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 4678 + ... + 5425.

It is an arithmetic number, because the mean of its divisors is an integer number (409212).

Almost surely, 2^3778522 is an apocalyptic number.

3778522 is a deficient number, since it is larger than the sum of its proper divisors (2768870).

3778522 is a wasteful number, since it uses less digits than its factorization.

3778522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133.

The product of its digits is 23520, while the sum is 34.

The square root of 3778522 is about 1943.8420717744. The cubic root of 3778522 is about 155.7545174821.

The spelling of 3778522 in words is "three million, seven hundred seventy-eight thousand, five hundred twenty-two".