3863245 has 4 divisors (see below), whose sum is σ = 4635900. Its totient is φ = 3090592.

The previous prime is 3863243. The next prime is 3863257. The reversal of 3863245 is 5423683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5423683 = 19 ⋅285457.

It can be written as a sum of positive squares in 2 ways, for example, as 644809 + 3218436 = 803^2 + 1794^2 .

It is a cyclic number.

It is not a de Polignac number, because 3863245 - 2¹ = 3863243 is a prime.

3863245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863243) 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, 386320 + ... + 386329.

It is an arithmetic number, because the mean of its divisors is an integer number (1158975).

Almost surely, 2^3863245 is an apocalyptic number.

It is an amenable number.

3863245 is a deficient number, since it is larger than the sum of its proper divisors (772655).

3863245 is an equidigital number, since it uses as much as digits as its factorization.

3863245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772654.

The product of its digits is 17280, while the sum is 31.

The square root of 3863245 is about 1965.5139277044. The cubic root of 3863245 is about 156.9100462432.

The spelling of 3863245 in words is "three million, eight hundred sixty-three thousand, two hundred forty-five".