2345780 has 24 divisors (see below), whose sum is σ = 5021352. Its totient is φ = 920192.

The previous prime is 2345753. The next prime is 2345803. The reversal of 2345780 is 875432.

It is a happy number.

2345780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1175056 + 1170724 = 1084^2 + 1082^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (209223).

2^2345780 is an apocalyptic number.

2345780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345780 is an abundant number, since it is smaller than the sum of its proper divisors (2675572).

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

2345780 is a wasteful number, since it uses less digits than its factorization.

2345780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2345780 is about 1531.5939409648. The cubic root of 2345780 is about 132.8706602481.

It can be divided in two parts, 2345 and 780, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2345780 in words is "two million, three hundred forty-five thousand, seven hundred eighty".