4993081 has 4 divisors (see below), whose sum is σ = 5003152. Its totient is φ = 4983012.

The previous prime is 4993061. The next prime is 4993097. The reversal of 4993081 is 1803994.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1803994 = 2 ⋅901997.

It is a cyclic number.

It is not a de Polignac number, because 4993081 - 2⁵ = 4993049 is a prime.

It is a super-2 number, since 2×4993081² = 49861715745122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4993061) 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, 4251 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (1250788).

Almost surely, 2^4993081 is an apocalyptic number.

It is an amenable number.

4993081 is a deficient number, since it is larger than the sum of its proper divisors (10071).

4993081 is an equidigital number, since it uses as much as digits as its factorization.

4993081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4993081 is about 2234.5203064640. The cubic root of 4993081 is about 170.9186827665.

The spelling of 4993081 in words is "four million, nine hundred ninety-three thousand, eighty-one".