4248981 has 24 divisors (see below), whose sum is σ = 6761664. Its totient is φ = 2549760.

The previous prime is 4248977. The next prime is 4248983. The reversal of 4248981 is 1898424.

It is not a de Polignac number, because 4248981 - 2² = 4248977 is a prime.

It is a super-2 number, since 2×4248981² = 36107679076722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4248983) 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, 16405 + ... + 16661.

It is an arithmetic number, because the mean of its divisors is an integer number (281736).

Almost surely, 2^4248981 is an apocalyptic number.

It is an amenable number.

4248981 is a deficient number, since it is larger than the sum of its proper divisors (2512683).

4248981 is a wasteful number, since it uses less digits than its factorization.

4248981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 438 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 4248981 is about 2061.3056541911. The cubic root of 4248981 is about 161.9676432862.

The spelling of 4248981 in words is "four million, two hundred forty-eight thousand, nine hundred eighty-one".