2345778 has 30 divisors (see below), whose sum is σ = 5364879. Its totient is φ = 740772.

The previous prime is 2345753. The next prime is 2345803. The reversal of 2345778 is 8775432.

2345778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2345753) and next prime (2345803).

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 1172889 = 1083^2 + 1083^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1083.

It is a d-powerful number, because it can be written as 2 + 3¹⁰ + 4⁸ + 5⁹ + 7⁶ + 7⁶ + 8⁵ .

Its product of digits (47040) is a multiple of the sum of its prime divisors (24).

It is a plaindrome in base 10.

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 14 ways as a sum of consecutive naturals, for example, 123453 + ... + 123471.

2^2345778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345778

2345778 is an abundant number, since it is smaller than the sum of its proper divisors (3019101).

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

2345778 is an frugal number, since it uses more digits than its factorization.

2345778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 24 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2345778 is about 1531.5932880501. The cubic root of 2345778 is about 132.8706224864.

The spelling of 2345778 in words is "two million, three hundred forty-five thousand, seven hundred seventy-eight".