2578988 has 6 divisors (see below), whose sum is σ = 4513236. Its totient is φ = 1289492.

The previous prime is 2578987. The next prime is 2578991. The reversal of 2578988 is 8898752.

2578988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2578987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322370 + ... + 322377.

It is an arithmetic number, because the mean of its divisors is an integer number (752206).

2^2578988 is an apocalyptic number.

It is an amenable number.

2578988 is a deficient number, since it is larger than the sum of its proper divisors (1934248).

2578988 is a wasteful number, since it uses less digits than its factorization.

2578988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644751 (or 644749 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The square root of 2578988 is about 1605.9227876831. The cubic root of 2578988 is about 137.1354619442.

The spelling of 2578988 in words is "two million, five hundred seventy-eight thousand, nine hundred eighty-eight".