2589278 has 4 divisors (see below), whose sum is σ = 3883920. Its totient is φ = 1294638.

The previous prime is 2589269. The next prime is 2589281. The reversal of 2589278 is 8729852.

It is a happy number.

2589278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2589278² = 13408721122568, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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, 647318 + ... + 647321.

It is an arithmetic number, because the mean of its divisors is an integer number (970980).

2^2589278 is an apocalyptic number.

2589278 is a deficient number, since it is larger than the sum of its proper divisors (1294642).

2589278 is a wasteful number, since it uses less digits than its factorization.

2589278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294641.

The product of its digits is 80640, while the sum is 41.

The square root of 2589278 is about 1609.1233638227. The cubic root of 2589278 is about 137.3176072000.

The spelling of 2589278 in words is "two million, five hundred eighty-nine thousand, two hundred seventy-eight".