3786939 has 16 divisors (see below), whose sum is σ = 6042400. Its totient is φ = 2330208.

The previous prime is 3786919. The next prime is 3786953. The reversal of 3786939 is 9396873.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3786939 is a prime.

3786939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3786894 and 3786903.

It is not an unprimeable number, because it can be changed into a prime (3786919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5044 + ... + 5745.

It is an arithmetic number, because the mean of its divisors is an integer number (377650).

Almost surely, 2^3786939 is an apocalyptic number.

3786939 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3786939 is a deficient number, since it is larger than the sum of its proper divisors (2255461).

3786939 is a wasteful number, since it uses less digits than its factorization.

3786939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811 (or 10805 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3786939 is about 1946.0059095491. The cubic root of 3786939 is about 155.8700841446.

The spelling of 3786939 in words is "three million, seven hundred eighty-six thousand, nine hundred thirty-nine".