3825999 has 24 divisors (see below), whose sum is σ = 5812560. Its totient is φ = 2421888.

The previous prime is 3825979. The next prime is 3826001. The reversal of 3825999 is 9995283.

It is not a de Polignac number, because 3825999 - 2⁸ = 3825743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27859 + ... + 27995.

It is an arithmetic number, because the mean of its divisors is an integer number (242190).

Almost surely, 2^3825999 is an apocalyptic number.

3825999 is a deficient number, since it is larger than the sum of its proper divisors (1986561).

3825999 is a wasteful number, since it uses less digits than its factorization.

3825999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 276 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 3825999 is about 1956.0161042282. The cubic root of 3825999 is about 156.4041542101.

The spelling of 3825999 in words is "three million, eight hundred twenty-five thousand, nine hundred ninety-nine".