3502985 has 4 divisors (see below), whose sum is σ = 4203588. Its totient is φ = 2802384.

The previous prime is 3502979. The next prime is 3502987. The reversal of 3502985 is 5892053.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5892053 = 157 ⋅37529.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 952576 = 1597^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 3502985 - 2⁸ = 3502729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3502987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350294 + ... + 350303.

It is an arithmetic number, because the mean of its divisors is an integer number (1050897).

Almost surely, 2^3502985 is an apocalyptic number.

It is an amenable number.

3502985 is a deficient number, since it is larger than the sum of its proper divisors (700603).

3502985 is an equidigital number, since it uses as much as digits as its factorization.

3502985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700602.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 3502985 is about 1871.6262981696. The cubic root of 3502985 is about 151.8725992722.

The spelling of 3502985 in words is "three million, five hundred two thousand, nine hundred eighty-five".