4285981 has 12 divisors (see below), whose sum is σ = 5203872. Its totient is φ = 3513048.

The previous prime is 4285961. The next prime is 4285993. The reversal of 4285981 is 1895824.

It is not a de Polignac number, because 4285981 - 2⁵ = 4285949 is a prime.

It is a super-2 number, since 2×4285981² = 36739266264722, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (23040) is a multiple of the sum of its prime factors (3840).

It is a self number, because there is not a number n which added to its sum of digits gives 4285981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285901) 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, 775 + ... + 3028.

It is an arithmetic number, because the mean of its divisors is an integer number (433656).

Almost surely, 2^4285981 is an apocalyptic number.

It is an amenable number.

4285981 is a deficient number, since it is larger than the sum of its proper divisors (917891).

4285981 is a wasteful number, since it uses less digits than its factorization.

4285981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840 (or 3833 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 4285981 is about 2070.2610946448. The cubic root of 4285981 is about 162.4364216765.

The spelling of 4285981 in words is "four million, two hundred eighty-five thousand, nine hundred eighty-one".