2578104 has 48 divisors (see below), whose sum is σ = 7108920. Its totient is φ = 843840.

The previous prime is 2578099. The next prime is 2578109. The reversal of 2578104 is 4018752.

It is an interprime number because it is at equal distance from previous prime (2578099) and next prime (2578109).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4099 + ... + 4685.

2^2578104 is an apocalyptic number.

2578104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554460).

2578104 is an abundant number, since it is smaller than the sum of its proper divisors (4530816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2578104 is a wasteful number, since it uses less digits than its factorization.

2578104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2578104 is about 1605.6475329287. The cubic root of 2578104 is about 137.1197915078.

The spelling of 2578104 in words is "two million, five hundred seventy-eight thousand, one hundred four".