2355078 has 32 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 671360.

The previous prime is 2355047. The next prime is 2355079. The reversal of 2355078 is 8705532.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁷ + 3¹¹ + 5³ + 5⁷ + 0 + 7⁴ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2355078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2355078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

2355078 is an abundant number, since it is smaller than the sum of its proper divisors (3088122).

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

2355078 is a wasteful number, since it uses less digits than its factorization.

2355078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2355078 is about 1534.6263388851. The cubic root of 2355078 is about 133.0459825552.

The spelling of 2355078 in words is "two million, three hundred fifty-five thousand, seventy-eight".