3788009 has 4 divisors (see below), whose sum is σ = 3918660. Its totient is φ = 3657360.

The previous prime is 3788003. The next prime is 3788017. The reversal of 3788009 is 9008873.

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 648025 + 3139984 = 805^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 3788009 - 2²⁰ = 2739433 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 3788009.

It is not an unprimeable number, because it can be changed into a prime (3788003) 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, 65282 + ... + 65339.

It is an arithmetic number, because the mean of its divisors is an integer number (979665).

Almost surely, 2^3788009 is an apocalyptic number.

It is an amenable number.

3788009 is a deficient number, since it is larger than the sum of its proper divisors (130651).

3788009 is a wasteful number, since it uses less digits than its factorization.

3788009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130650.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 3788009 is about 1946.2808122160. The cubic root of 3788009 is about 155.8847631315.

The spelling of 3788009 in words is "three million, seven hundred eighty-eight thousand, nine".