4313985 has 16 divisors (see below), whose sum is σ = 7433664. Its totient is φ = 2123712.

The previous prime is 4313983. The next prime is 4313999. The reversal of 4313985 is 5893134.

It is not a de Polignac number, because 4313985 - 2¹ = 4313983 is a prime.

It is a super-2 number, since 2×4313985² = 37220933160450, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4313983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10867 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (464604).

Almost surely, 2^4313985 is an apocalyptic number.

It is an amenable number.

4313985 is a deficient number, since it is larger than the sum of its proper divisors (3119679).

4313985 is a wasteful number, since it uses less digits than its factorization.

4313985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22144.

The product of its digits is 12960, while the sum is 33.

The square root of 4313985 is about 2077.0134809384. The cubic root of 4313985 is about 162.7894328956.

It can be divided in two parts, 43 and 13985, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 4313985 in words is "four million, three hundred thirteen thousand, nine hundred eighty-five".