3825979 has 2 divisors, whose sum is σ = 3825980. Its totient is φ = 3825978.

The previous prime is 3825953. The next prime is 3826001. The reversal of 3825979 is 9795283.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3825979 - 2⁵ = 3825947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3825919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912989 + 1912990.

It is an arithmetic number, because the mean of its divisors is an integer number (1912990).

Almost surely, 2^3825979 is an apocalyptic number.

3825979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3825979 is an equidigital number, since it uses as much as digits as its factorization.

3825979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 3825979 is about 1956.0109917892. The cubic root of 3825979 is about 156.4038816810.

Subtracting from 3825979 its sum of digits (43), we obtain a square (3825936 = 1956²).

The spelling of 3825979 in words is "three million, eight hundred twenty-five thousand, nine hundred seventy-nine".