2557104 has 80 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 743680.

The previous prime is 2557099. The next prime is 2557111. The reversal of 2557104 is 4017552.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15229 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

2^2557104 is an apocalyptic number.

2557104 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 2557104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

2557104 is an abundant number, since it is smaller than the sum of its proper divisors (4942416).

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

2557104 is a wasteful number, since it uses less digits than its factorization.

2557104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2557104 is about 1599.0947439098. The cubic root of 2557104 is about 136.7464719959.

The spelling of 2557104 in words is "two million, five hundred fifty-seven thousand, one hundred four".