3778537 has 12 divisors (see below), whose sum is σ = 4473360. Its totient is φ = 3181416.

The previous prime is 3778531. The next prime is 3778571. The reversal of 3778537 is 7358773.

It is not a de Polignac number, because 3778537 - 2¹¹ = 3776489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3778537.

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, 2238 + ... + 3544.

It is an arithmetic number, because the mean of its divisors is an integer number (372780).

Almost surely, 2^3778537 is an apocalyptic number.

It is an amenable number.

3778537 is a deficient number, since it is larger than the sum of its proper divisors (694823).

3778537 is a wasteful number, since it uses less digits than its factorization.

3778537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1373 counting only the distinct ones).

The product of its digits is 123480, while the sum is 40.

The square root of 3778537 is about 1943.8459301087. The cubic root of 3778537 is about 155.7547235869.

The spelling of 3778537 in words is "three million, seven hundred seventy-eight thousand, five hundred thirty-seven".