3485690 has 16 divisors (see below), whose sum is σ = 6757128. Its totient is φ = 1286976.

The previous prime is 3485687. The next prime is 3485701. The reversal of 3485690 is 965843.

It is a Cunningham number, because it is equal to 1867²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2588881 + 896809 = 1609^2 + 947^2 .

It is a super-2 number, since 2×3485690² = 24300069552200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3485690.

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, 13277 + ... + 13536.

Almost surely, 2^3485690 is an apocalyptic number.

3485690 is a deficient number, since it is larger than the sum of its proper divisors (3271438).

3485690 is a wasteful number, since it uses less digits than its factorization.

3485690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26833.

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

The square root of 3485690 is about 1867.0002678093. Note that the first 3 decimals coincide. The cubic root of 3485690 is about 151.6222440980.

The spelling of 3485690 in words is "three million, four hundred eighty-five thousand, six hundred ninety".