2578948 has 12 divisors (see below), whose sum is σ = 4526620. Its totient is φ = 1285632.

The previous prime is 2578943. The next prime is 2578963. The reversal of 2578948 is 8498752.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 2166784 = 642^2 + 1472^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988 + ... + 2476.

2^2578948 is an apocalyptic number.

It is an amenable number.

2578948 is a deficient number, since it is larger than the sum of its proper divisors (1947672).

2578948 is a wasteful number, since it uses less digits than its factorization.

2578948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1924 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 2578948 is about 1605.9103337360. The cubic root of 2578948 is about 137.1347529520.

The spelling of 2578948 in words is "two million, five hundred seventy-eight thousand, nine hundred forty-eight".