2878538 has 16 divisors (see below), whose sum is σ = 4895520. Its totient is φ = 1258416.

The previous prime is 2878537. The next prime is 2878543. The reversal of 2878538 is 8358782.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2878495 and 2878504.

It is not an unprimeable number, because it can be changed into a prime (2878537) 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, 2420 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (305970).

2^2878538 is an apocalyptic number.

2878538 is a deficient number, since it is larger than the sum of its proper divisors (2016982).

2878538 is a wasteful number, since it uses less digits than its factorization.

2878538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861.

The product of its digits is 107520, while the sum is 41.

The square root of 2878538 is about 1696.6254742871. The cubic root of 2878538 is about 142.2516532065.

The spelling of 2878538 in words is "two million, eight hundred seventy-eight thousand, five hundred thirty-eight".