3786738 has 32 divisors (see below), whose sum is σ = 8121600. Its totient is φ = 1173456.

The previous prime is 3786703. The next prime is 3786749. The reversal of 3786738 is 8376873.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3786738.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6445 + ... + 7007.

It is an arithmetic number, because the mean of its divisors is an integer number (253800).

Almost surely, 2^3786738 is an apocalyptic number.

3786738 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3786738 is an abundant number, since it is smaller than the sum of its proper divisors (4334862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3786738 is a wasteful number, since it uses less digits than its factorization.

3786738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its digits is 169344, while the sum is 42.

The square root of 3786738 is about 1945.9542646219. The cubic root of 3786738 is about 155.8673263815.

The spelling of 3786738 in words is "three million, seven hundred eighty-six thousand, seven hundred thirty-eight".