3782505 has 16 divisors (see below), whose sum is σ = 6076224. Its totient is φ = 2009280.

The previous prime is 3782503. The next prime is 3782507. The reversal of 3782505 is 5052873.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3782503) and next prime (3782507).

It is not a de Polignac number, because 3782505 - 2¹ = 3782503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3782503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6642 + ... + 7188.

It is an arithmetic number, because the mean of its divisors is an integer number (379764).

Almost surely, 2^3782505 is an apocalyptic number.

It is an amenable number.

3782505 is a deficient number, since it is larger than the sum of its proper divisors (2293719).

3782505 is a wasteful number, since it uses less digits than its factorization.

3782505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3782505 is about 1944.8663193135. The cubic root of 3782505 is about 155.8092260330.

The spelling of 3782505 in words is "three million, seven hundred eighty-two thousand, five hundred five".