2955993 has 4 divisors (see below), whose sum is σ = 3941328. Its totient is φ = 1970660.

The previous prime is 2955961. The next prime is 2956003. The reversal of 2955993 is 3995592.

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 2955993 - 2⁵ = 2955961 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2955923) 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, 492663 + ... + 492668.

It is an arithmetic number, because the mean of its divisors is an integer number (985332).

2^2955993 is an apocalyptic number.

It is an amenable number.

2955993 is a deficient number, since it is larger than the sum of its proper divisors (985335).

2955993 is an equidigital number, since it uses as much as digits as its factorization.

2955993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985334.

The product of its digits is 109350, while the sum is 42.

The square root of 2955993 is about 1719.3001483162. The cubic root of 2955993 is about 143.5162684353.

The spelling of 2955993 in words is "two million, nine hundred fifty-five thousand, nine hundred ninety-three".