3390985 has 12 divisors (see below), whose sum is σ = 4407372. Its totient is φ = 2503488.

The previous prime is 3390983. The next prime is 3390991. The reversal of 3390985 is 5890933.

It can be written as a sum of positive squares in 6 ways, for example, as 251001 + 3139984 = 501^2 + 1772^2 .

It is not a de Polignac number, because 3390985 - 2¹ = 3390983 is a prime.

It is a super-2 number, since 2×3390985² = 22997558540450, which contains 22 as substring.

It is a Duffinian number.

3390985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3390983) 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, 1162 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (367281).

Almost surely, 2^3390985 is an apocalyptic number.

It is an amenable number.

3390985 is a deficient number, since it is larger than the sum of its proper divisors (1016387).

3390985 is a wasteful number, since it uses less digits than its factorization.

3390985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 3390985 is about 1841.4627338070. The cubic root of 3390985 is about 150.2364419204.

The spelling of 3390985 in words is "three million, three hundred ninety thousand, nine hundred eighty-five".