3429825 has 48 divisors (see below), whose sum is σ = 6666240. Its totient is φ = 1523520.

The previous prime is 3429821. The next prime is 3429857. The reversal of 3429825 is 5289243.

It is a happy number.

It is not a de Polignac number, because 3429825 - 2² = 3429821 is a prime.

3429825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3429821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24606 + ... + 24744.

It is an arithmetic number, because the mean of its divisors is an integer number (138880).

Almost surely, 2^3429825 is an apocalyptic number.

3429825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3429825 is a deficient number, since it is larger than the sum of its proper divisors (3236415).

3429825 is a wasteful number, since it uses less digits than its factorization.

3429825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 3429825 is about 1851.9786715834. The cubic root of 3429825 is about 150.8078634554.

The spelling of 3429825 in words is "three million, four hundred twenty-nine thousand, eight hundred twenty-five".