3815242 has 8 divisors (see below), whose sum is σ = 6059556. Its totient is φ = 1795392.

The previous prime is 3815221. The next prime is 3815243. The reversal of 3815242 is 2425183.

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 16641 = 1949^2 + 129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3815243) 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, 56073 + ... + 56140.

Almost surely, 2^3815242 is an apocalyptic number.

3815242 is a deficient number, since it is larger than the sum of its proper divisors (2244314).

3815242 is a wasteful number, since it uses less digits than its factorization.

3815242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112232.

The product of its digits is 1920, while the sum is 25.

The square root of 3815242 is about 1953.2644470220. The cubic root of 3815242 is about 156.2574370860.

The spelling of 3815242 in words is "three million, eight hundred fifteen thousand, two hundred forty-two".