2078617 has 4 divisors (see below), whose sum is σ = 2083536. Its totient is φ = 2073700.

The previous prime is 2078611. The next prime is 2078621. The reversal of 2078617 is 7168702.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2078617 is a prime.

It is a super-3 number, since 3×2078617³ = 26942921096802333339, which contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078611) 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, 1759 + ... + 2692.

It is an arithmetic number, because the mean of its divisors is an integer number (520884).

2^2078617 is an apocalyptic number.

It is an amenable number.

2078617 is a deficient number, since it is larger than the sum of its proper divisors (4919).

2078617 is an equidigital number, since it uses as much as digits as its factorization.

2078617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 2078617 is about 1441.7409614768. The cubic root of 2078617 is about 127.6217880268.

The spelling of 2078617 in words is "two million, seventy-eight thousand, six hundred seventeen".