2625390 has 48 divisors (see below), whose sum is σ = 7053696. Its totient is φ = 676800.

The previous prime is 2625349. The next prime is 2625397. The reversal of 2625390 is 935262.

2625390 is a `hidden beast` number, since 2 + 625 + 39 + 0 = 666.

2625390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2320 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (146952).

2^2625390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2625390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3526848).

2625390 is an abundant number, since it is smaller than the sum of its proper divisors (4428306).

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

2625390 is a wasteful number, since it uses less digits than its factorization.

2625390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2625390 is about 1620.3055267449. The cubic root of 2625390 is about 137.9530401025.

The spelling of 2625390 in words is "two million, six hundred twenty-five thousand, three hundred ninety".