2078615 has 16 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 1295520.

The previous prime is 2078611. The next prime is 2078621. The reversal of 2078615 is 5168702.

It is not a de Polignac number, because 2078615 - 2² = 2078611 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2315 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

2^2078615 is an apocalyptic number.

2078615 is a deficient number, since it is larger than the sum of its proper divisors (1031785).

2078615 is a wasteful number, since it uses less digits than its factorization.

2078615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2078615 is about 1441.7402678707. The cubic root of 2078615 is about 127.6217470951.

The spelling of 2078615 in words is "two million, seventy-eight thousand, six hundred fifteen".