3290985 has 12 divisors (see below), whose sum is σ = 5704452. Its totient is φ = 1755168.

The previous prime is 3290983. The next prime is 3291017. The reversal of 3290985 is 5890923.

It can be written as a sum of positive squares in 2 ways, for example, as 1879641 + 1411344 = 1371^2 + 1188^2 .

It is not a de Polignac number, because 3290985 - 2¹ = 3290983 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3290981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36522 + ... + 36611.

It is an arithmetic number, because the mean of its divisors is an integer number (475371).

Almost surely, 2^3290985 is an apocalyptic number.

It is an amenable number.

3290985 is a deficient number, since it is larger than the sum of its proper divisors (2413467).

3290985 is a wasteful number, since it uses less digits than its factorization.

3290985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73144 (or 73141 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3290985 is about 1814.1072184411. The cubic root of 3290985 is about 148.7448601195.

The spelling of 3290985 in words is "three million, two hundred ninety thousand, nine hundred eighty-five".