4436981 has 4 divisors (see below), whose sum is σ = 4443264. Its totient is φ = 4430700.

The previous prime is 4436959. The next prime is 4436987. The reversal of 4436981 is 1896344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4436981 - 2²² = 242677 is a prime.

It is a super-2 number, since 2×4436981² = 39373600788722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4436987) 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, 1925 + ... + 3546.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^4436981 is an apocalyptic number.

It is an amenable number.

4436981 is a deficient number, since it is larger than the sum of its proper divisors (6283).

4436981 is an equidigital number, since it uses as much as digits as its factorization.

4436981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6282.

The product of its digits is 20736, while the sum is 35.

The square root of 4436981 is about 2106.4142517558. The cubic root of 4436981 is about 164.3220545408.

The spelling of 4436981 in words is "four million, four hundred thirty-six thousand, nine hundred eighty-one".