3784997 has 4 divisors (see below), whose sum is σ = 3877356. Its totient is φ = 3692640.

The previous prime is 3784987. The next prime is 3785011. The reversal of 3784997 is 7994873.

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 1635841 + 2149156 = 1279^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 3784997 - 2⁸ = 3784741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46118 + ... + 46199.

It is an arithmetic number, because the mean of its divisors is an integer number (969339).

Almost surely, 2^3784997 is an apocalyptic number.

It is an amenable number.

3784997 is a deficient number, since it is larger than the sum of its proper divisors (92359).

3784997 is an equidigital number, since it uses as much as digits as its factorization.

3784997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92358.

The product of its digits is 381024, while the sum is 47.

The square root of 3784997 is about 1945.5068748272. The cubic root of 3784997 is about 155.8434354043.

The spelling of 3784997 in words is "three million, seven hundred eighty-four thousand, nine hundred ninety-seven".