2425878 has 48 divisors (see below), whose sum is σ = 6473376. Its totient is φ = 639360.

The previous prime is 2425837. The next prime is 2425889. The reversal of 2425878 is 8785242.

It is a happy number.

2425878 is nontrivially palindromic in base 4.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 898 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (134862).

2^2425878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2425878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3236688).

2425878 is an abundant number, since it is smaller than the sum of its proper divisors (4047498).

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

2425878 is a wasteful number, since it uses less digits than its factorization.

2425878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1506 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2425878 is about 1557.5230335375. The cubic root of 2425878 is about 134.3660814705.

It can be divided in two parts, 24258 and 78, that added together give a square (24336 = 156²).

The spelling of 2425878 in words is "two million, four hundred twenty-five thousand, eight hundred seventy-eight".