2278956 has 12 divisors (see below), whose sum is σ = 5317592. Its totient is φ = 759648.

The previous prime is 2278949. The next prime is 2278961. The reversal of 2278956 is 6598722.

It is a happy number.

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

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, 94945 + ... + 94968.

2^2278956 is an apocalyptic number.

It is an amenable number.

2278956 is an abundant number, since it is smaller than the sum of its proper divisors (3038636).

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

2278956 is a wasteful number, since it uses less digits than its factorization.

2278956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189920 (or 189918 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 2278956 is about 1509.6211445260. The cubic root of 2278956 is about 131.5967953445.

The spelling of 2278956 in words is "two million, two hundred seventy-eight thousand, nine hundred fifty-six".