4283981 has 6 divisors (see below), whose sum is σ = 4639050. Its totient is φ = 3954288.

The previous prime is 4283963. The next prime is 4283989. The reversal of 4283981 is 1893824.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15625 + 4268356 = 125^2 + 2066^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4283981 is a prime.

It is a super-2 number, since 2×4283981² = 36704986416722, which contains 22 as substring.

It is a plaindrome in base 11.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4283989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12506 + ... + 12843.

It is an arithmetic number, because the mean of its divisors is an integer number (773175).

Almost surely, 2^4283981 is an apocalyptic number.

It is an amenable number.

4283981 is a deficient number, since it is larger than the sum of its proper divisors (355069).

4283981 is a wasteful number, since it uses less digits than its factorization.

4283981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25375 (or 25362 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 4283981 is about 2069.7780074201. The cubic root of 4283981 is about 162.4111514300.

The spelling of 4283981 in words is "four million, two hundred eighty-three thousand, nine hundred eighty-one".