2078949 has 4 divisors (see below), whose sum is σ = 2771936. Its totient is φ = 1385964.

The previous prime is 2078939. The next prime is 2078959. The reversal of 2078949 is 9498702.

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 an interprime number because it is at equal distance from previous prime (2078939) and next prime (2078959).

It is not a de Polignac number, because 2078949 - 2⁴ = 2078933 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078929) 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, 346489 + ... + 346494.

It is an arithmetic number, because the mean of its divisors is an integer number (692984).

2^2078949 is an apocalyptic number.

It is an amenable number.

2078949 is a deficient number, since it is larger than the sum of its proper divisors (692987).

2078949 is an equidigital number, since it uses as much as digits as its factorization.

2078949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692986.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2078949 is about 1441.8560954547. The cubic root of 2078949 is about 127.6285823164.

The spelling of 2078949 in words is "two million, seventy-eight thousand, nine hundred forty-nine".