3825969 has 24 divisors (see below), whose sum is σ = 6287328. Its totient is φ = 2056320.

The previous prime is 3825953. The next prime is 3825979. The reversal of 3825969 is 9695283.

It is not a de Polignac number, because 3825969 - 2⁴ = 3825953 is a prime.

It is a super-2 number, since 2×3825969² = 29276077577922, which contains 22 as substring.

3825969 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3825969.

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, 1734 + ... + 3264.

It is an arithmetic number, because the mean of its divisors is an integer number (261972).

Almost surely, 2^3825969 is an apocalyptic number.

It is an amenable number.

3825969 is a deficient number, since it is larger than the sum of its proper divisors (2461359).

3825969 is a wasteful number, since it uses less digits than its factorization.

3825969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1558 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 3825969 is about 1956.0084355646. The cubic root of 3825969 is about 156.4037454161.

The spelling of 3825969 in words is "three million, eight hundred twenty-five thousand, nine hundred sixty-nine".