3487285 has 4 divisors (see below), whose sum is σ = 4184748. Its totient is φ = 2789824.

The previous prime is 3487277. The next prime is 3487291. The reversal of 3487285 is 5827843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1387684 + 2099601 = 1178^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 3487285 - 2³ = 3487277 is a prime.

It is a super-2 number, since 2×3487285² = 24322313342450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348724 + ... + 348733.

It is an arithmetic number, because the mean of its divisors is an integer number (1046187).

Almost surely, 2^3487285 is an apocalyptic number.

It is an amenable number.

3487285 is a deficient number, since it is larger than the sum of its proper divisors (697463).

3487285 is an equidigital number, since it uses as much as digits as its factorization.

3487285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697462.

The product of its digits is 53760, while the sum is 37.

The square root of 3487285 is about 1867.4273747592. The cubic root of 3487285 is about 151.6453672675.

The spelling of 3487285 in words is "three million, four hundred eighty-seven thousand, two hundred eighty-five".