2540608 has 56 divisors (see below), whose sum is σ = 5925312. Its totient is φ = 1058304.

The previous prime is 2540597. The next prime is 2540609. The reversal of 2540608 is 8060452.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2540609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23691 + ... + 23797.

2^2540608 is an apocalyptic number.

2540608 is a gapful number since it is divisible by the number (28) 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 2540608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2962656).

2540608 is an abundant number, since it is smaller than the sum of its proper divisors (3384704).

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

2540608 is a wasteful number, since it uses less digits than its factorization.

2540608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2540608 is about 1593.9284802023. The cubic root of 2540608 is about 136.4517847306.

The spelling of 2540608 in words is "two million, five hundred forty thousand, six hundred eight".