3807385 has 4 divisors (see below), whose sum is σ = 4568868. Its totient is φ = 3045904.

The previous prime is 3807379. The next prime is 3807413. The reversal of 3807385 is 5837083.

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

It can be written as a sum of positive squares in 2 ways, for example, as 737881 + 3069504 = 859^2 + 1752^2 .

It is a cyclic number.

It is not a de Polignac number, because 3807385 - 2⁷ = 3807257 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 3807385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380734 + ... + 380743.

It is an arithmetic number, because the mean of its divisors is an integer number (1142217).

Almost surely, 2^3807385 is an apocalyptic number.

It is an amenable number.

3807385 is a deficient number, since it is larger than the sum of its proper divisors (761483).

3807385 is an equidigital number, since it uses as much as digits as its factorization.

3807385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761482.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3807385 is about 1951.2521620744. The cubic root of 3807385 is about 156.1500993407.

The spelling of 3807385 in words is "three million, eight hundred seven thousand, three hundred eighty-five".