2078417 has 12 divisors (see below), whose sum is σ = 2322180. Its totient is φ = 1858560.

The previous prime is 2078399. The next prime is 2078431. The reversal of 2078417 is 7148702.

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 1628176 = 671^2 + 1276^2 .

It is not a de Polignac number, because 2078417 - 2⁸ = 2078161 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2078417.

It is not an unprimeable number, because it can be changed into a prime (2078497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10673 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (193515).

2^2078417 is an apocalyptic number.

It is an amenable number.

2078417 is a deficient number, since it is larger than the sum of its proper divisors (243763).

2078417 is a wasteful number, since it uses less digits than its factorization.

2078417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 2078417 is about 1441.6715992208. The cubic root of 2078417 is about 127.6176947320.

The spelling of 2078417 in words is "two million, seventy-eight thousand, four hundred seventeen".