2878042 has 8 divisors (see below), whose sum is σ = 4324500. Its totient is φ = 1436544.

The previous prime is 2878039. The next prime is 2878067. The reversal of 2878042 is 2408782.

It can be written as a sum of positive squares in 2 ways, for example, as 2430481 + 447561 = 1559^2 + 669^2 .

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

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 2877995 and 2878013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084 + ... + 2632.

2^2878042 is an apocalyptic number.

2878042 is a deficient number, since it is larger than the sum of its proper divisors (1446458).

2878042 is a wasteful number, since it uses less digits than its factorization.

2878042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2878042 is about 1696.4792954823. The cubic root of 2878042 is about 142.2434822909.

The spelling of 2878042 in words is "two million, eight hundred seventy-eight thousand, forty-two".