3842825 has 18 divisors (see below), whose sum is σ = 5544846. Its totient is φ = 2634240.

The previous prime is 3842809. The next prime is 3842831. The reversal of 3842825 is 5282483.

It can be written as a sum of positive squares in 3 ways, for example, as 1317904 + 2524921 = 1148^2 + 1589^2 .

It is not a de Polignac number, because 3842825 - 2⁴ = 3842809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3842791 and 3842800.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 344 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (308047).

Almost surely, 2^3842825 is an apocalyptic number.

3842825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3842825 is a deficient number, since it is larger than the sum of its proper divisors (1702021).

3842825 is a wasteful number, since it uses less digits than its factorization.

3842825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3149 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 3842825 is about 1960.3124750917. The cubic root of 3842825 is about 156.6330972791.

The spelling of 3842825 in words is "three million, eight hundred forty-two thousand, eight hundred twenty-five".