3629825 has 6 divisors (see below), whose sum is σ = 4501014. Its totient is φ = 2903840.

The previous prime is 3629803. The next prime is 3629831. The reversal of 3629825 is 5289263.

It can be written as a sum of positive squares in 3 ways, for example, as 61504 + 3568321 = 248^2 + 1889^2 .

It is not a de Polignac number, because 3629825 - 2¹⁸ = 3367681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72572 + ... + 72621.

It is an arithmetic number, because the mean of its divisors is an integer number (750169).

Almost surely, 2^3629825 is an apocalyptic number.

It is an amenable number.

3629825 is a deficient number, since it is larger than the sum of its proper divisors (871189).

3629825 is a wasteful number, since it uses less digits than its factorization.

3629825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145203 (or 145198 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 3629825 is about 1905.2099621826. The cubic root of 3629825 is about 153.6839670613.

The spelling of 3629825 in words is "three million, six hundred twenty-nine thousand, eight hundred twenty-five".