3078993 has 4 divisors (see below), whose sum is σ = 4105328. Its totient is φ = 2052660.

The previous prime is 3078983. The next prime is 3078997. The reversal of 3078993 is 3998703.

It is a happy number.

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 not a de Polignac number, because 3078993 - 2⁸ = 3078737 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3078997) 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, 513163 + ... + 513168.

It is an arithmetic number, because the mean of its divisors is an integer number (1026332).

Almost surely, 2^3078993 is an apocalyptic number.

It is an amenable number.

3078993 is a deficient number, since it is larger than the sum of its proper divisors (1026335).

3078993 is a wasteful number, since it uses less digits than its factorization.

3078993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026334.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3078993 is about 1754.7059582734. The cubic root of 3078993 is about 145.4798687326.

The spelling of 3078993 in words is "three million, seventy-eight thousand, nine hundred ninety-three".