3457985 has 8 divisors (see below), whose sum is σ = 4228200. Its totient is φ = 2713984.

The previous prime is 3457973. The next prime is 3457991. The reversal of 3457985 is 5897543.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 2745649 = 844^2 + 1657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3457985 - 2⁴ = 3457969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6260 + ... + 6789.

It is an arithmetic number, because the mean of its divisors is an integer number (528525).

Almost surely, 2^3457985 is an apocalyptic number.

It is an amenable number.

3457985 is a deficient number, since it is larger than the sum of its proper divisors (770215).

3457985 is a wasteful number, since it uses less digits than its factorization.

3457985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107.

The product of its digits is 151200, while the sum is 41.

The square root of 3457985 is about 1859.5658095373. The cubic root of 3457985 is about 151.2194665501.

The spelling of 3457985 in words is "three million, four hundred fifty-seven thousand, nine hundred eighty-five".