4983981 has 4 divisors (see below), whose sum is σ = 6645312. Its totient is φ = 3322652.

The previous prime is 4983977. The next prime is 4983983. The reversal of 4983981 is 1893894.

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 4983981 - 2² = 4983977 is a prime.

It is a super-2 number, since 2×4983981² = 49680133216722, which contains 22 as substring.

It is a D-number.

4983981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4983983) 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, 830661 + ... + 830666.

It is an arithmetic number, because the mean of its divisors is an integer number (1661328).

Almost surely, 2^4983981 is an apocalyptic number.

It is an amenable number.

4983981 is a deficient number, since it is larger than the sum of its proper divisors (1661331).

4983981 is a wasteful number, since it uses less digits than its factorization.

4983981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661330.

The product of its digits is 62208, while the sum is 42.

The square root of 4983981 is about 2232.4831466329. The cubic root of 4983981 is about 170.8147852689.

The spelling of 4983981 in words is "four million, nine hundred eighty-three thousand, nine hundred eighty-one".