4342981 has 4 divisors (see below), whose sum is σ = 4387852. Its totient is φ = 4298112.

The previous prime is 4342969. The next prime is 4342991. The reversal of 4342981 is 1892434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2452356 + 1890625 = 1566^2 + 1375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4342981 is a prime.

It is a super-2 number, since 2×4342981² = 37722967932722, which contains 22 as substring.

It is a Duffinian number.

4342981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22290 + ... + 22483.

It is an arithmetic number, because the mean of its divisors is an integer number (1096963).

Almost surely, 2^4342981 is an apocalyptic number.

It is an amenable number.

4342981 is a deficient number, since it is larger than the sum of its proper divisors (44871).

4342981 is an equidigital number, since it uses as much as digits as its factorization.

4342981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44870.

The product of its digits is 6912, while the sum is 31.

The square root of 4342981 is about 2083.9820056805. The cubic root of 4342981 is about 163.1533428436.

The spelling of 4342981 in words is "four million, three hundred forty-two thousand, nine hundred eighty-one".