2078555 has 8 divisors (see below), whose sum is σ = 2508000. Its totient is φ = 1653696.

The previous prime is 2078551. The next prime is 2078591. The reversal of 2078555 is 5558702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2078555 - 2² = 2078551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2078551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50 + ... + 2039.

It is an arithmetic number, because the mean of its divisors is an integer number (313500).

2^2078555 is an apocalyptic number.

2078555 is a deficient number, since it is larger than the sum of its proper divisors (429445).

2078555 is a wasteful number, since it uses less digits than its factorization.

2078555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 2078555 is about 1441.7194595343. The cubic root of 2078555 is about 127.6205191335.

The spelling of 2078555 in words is "two million, seventy-eight thousand, five hundred fifty-five".