2078047 has 4 divisors (see below), whose sum is σ = 2097576. Its totient is φ = 2058520.

The previous prime is 2078009. The next prime is 2078051. The reversal of 2078047 is 7408702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2078047 - 2⁷ = 2077919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078347) 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, 9604 + ... + 9817.

It is an arithmetic number, because the mean of its divisors is an integer number (524394).

2^2078047 is an apocalyptic number.

2078047 is a deficient number, since it is larger than the sum of its proper divisors (19529).

2078047 is a wasteful number, since it uses less digits than its factorization.

2078047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19528.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 2078047 is about 1441.5432702489. The cubic root of 2078047 is about 127.6101214444.

The spelling of 2078047 in words is "two million, seventy-eight thousand, forty-seven".