4347981 has 24 divisors (see below), whose sum is σ = 7042464. Its totient is φ = 2561760.

The previous prime is 4347977. The next prime is 4347983. The reversal of 4347981 is 1897434.

It is a happy number.

It is not a de Polignac number, because 4347981 - 2² = 4347977 is a prime.

It is a super-2 number, since 2×4347981² = 37809877552722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4347983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3070 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (293436).

Almost surely, 2^4347981 is an apocalyptic number.

It is an amenable number.

4347981 is a deficient number, since it is larger than the sum of its proper divisors (2694483).

4347981 is a wasteful number, since it uses less digits than its factorization.

4347981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1238 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4347981 is about 2085.1812870827. The cubic root of 4347981 is about 163.2159307185.

The spelling of 4347981 in words is "four million, three hundred forty-seven thousand, nine hundred eighty-one".