3786139 has 4 divisors (see below), whose sum is σ = 4327024. Its totient is φ = 3245256.

The previous prime is 3786131. The next prime is 3786151. The reversal of 3786139 is 9316873.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3786139 - 2³ = 3786131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3786098 and 3786107.

It is not an unprimeable number, because it can be changed into a prime (3786131) 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 3 ways as a sum of consecutive naturals, for example, 270432 + ... + 270445.

It is an arithmetic number, because the mean of its divisors is an integer number (1081756).

Almost surely, 2^3786139 is an apocalyptic number.

3786139 is a deficient number, since it is larger than the sum of its proper divisors (540885).

3786139 is an equidigital number, since it uses as much as digits as its factorization.

3786139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540884.

The product of its digits is 27216, while the sum is 37.

The square root of 3786139 is about 1945.8003494706. The cubic root of 3786139 is about 155.8591073945.

The spelling of 3786139 in words is "three million, seven hundred eighty-six thousand, one hundred thirty-nine".