2279388 has 12 divisors (see below), whose sum is σ = 5318600. Its totient is φ = 759792.

The previous prime is 2279363. The next prime is 2279393. The reversal of 2279388 is 8839722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94963 + ... + 94986.

2^2279388 is an apocalyptic number.

It is an amenable number.

2279388 is an abundant number, since it is smaller than the sum of its proper divisors (3039212).

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

2279388 is a wasteful number, since it uses less digits than its factorization.

2279388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189956 (or 189954 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 2279388 is about 1509.7642200026. The cubic root of 2279388 is about 131.6051100032.

The spelling of 2279388 in words is "two million, two hundred seventy-nine thousand, three hundred eighty-eight".