2279400 has 96 divisors (see below), whose sum is σ = 7365600. Its totient is φ = 582400.

The previous prime is 2279393. The next prime is 2279401. The reversal of 2279400 is 49722.

2279400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2279401) 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, 17335 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (76725).

2^2279400 is an apocalyptic number.

2279400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2279400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3682800).

2279400 is an abundant number, since it is smaller than the sum of its proper divisors (5086200).

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

2279400 is a wasteful number, since it uses less digits than its factorization.

2279400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2279400 is about 1509.7681941278. The cubic root of 2279400 is about 131.6053409509.

The spelling of 2279400 in words is "two million, two hundred seventy-nine thousand, four hundred".