3524985 has 16 divisors (see below), whose sum is σ = 6266880. Its totient is φ = 1879920.

The previous prime is 3524981. The next prime is 3524993. The reversal of 3524985 is 5894253.

It is not a de Polignac number, because 3524985 - 2² = 3524981 is a prime.

It is an Ulam number.

It is a Curzon number.

3524985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3524981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12921 + ... + 13190.

It is an arithmetic number, because the mean of its divisors is an integer number (391680).

Almost surely, 2^3524985 is an apocalyptic number.

It is an amenable number.

3524985 is a deficient number, since it is larger than the sum of its proper divisors (2741895).

3524985 is a wasteful number, since it uses less digits than its factorization.

3524985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26125 (or 26119 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 3524985 is about 1877.4943408703. The cubic root of 3524985 is about 152.1898740963.

The spelling of 3524985 in words is "three million, five hundred twenty-four thousand, nine hundred eighty-five".