3824257 has 4 divisors (see below), whose sum is σ = 3831300. Its totient is φ = 3817216.

The previous prime is 3824243. The next prime is 3824267. The reversal of 3824257 is 7524283.

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 3182656 + 641601 = 1784^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 3824257 - 2¹⁹ = 3299969 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8³ + 2¹⁷ + 4⁵ + 2²¹ + 5³ + 7² .

It is a Duffinian number.

3824257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3824207) 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, 2632 + ... + 3817.

It is an arithmetic number, because the mean of its divisors is an integer number (957825).

Almost surely, 2^3824257 is an apocalyptic number.

It is an amenable number.

3824257 is a deficient number, since it is larger than the sum of its proper divisors (7043).

3824257 is an equidigital number, since it uses as much as digits as its factorization.

3824257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042.

The product of its digits is 13440, while the sum is 31.

The square root of 3824257 is about 1955.5707606732. The cubic root of 3824257 is about 156.3804133608.

The spelling of 3824257 in words is "three million, eight hundred twenty-four thousand, two hundred fifty-seven".