3778533 has 12 divisors (see below), whose sum is σ = 5954208. Its totient is φ = 2289960.

The previous prime is 3778531. The next prime is 3778571. The reversal of 3778533 is 3358773.

It is not a de Polignac number, because 3778533 - 2¹ = 3778531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18985 + ... + 19182.

It is an arithmetic number, because the mean of its divisors is an integer number (496184).

Almost surely, 2^3778533 is an apocalyptic number.

3778533 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3778533 is a deficient number, since it is larger than the sum of its proper divisors (2175675).

3778533 is a wasteful number, since it uses less digits than its factorization.

3778533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38184 (or 38181 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 3778533 is about 1943.8449012203. The cubic root of 3778533 is about 155.7546686257.

The spelling of 3778533 in words is "three million, seven hundred seventy-eight thousand, five hundred thirty-three".