2278994 has 8 divisors (see below), whose sum is σ = 3536460. Its totient is φ = 1100176.

The previous prime is 2278981. The next prime is 2279009. The reversal of 2278994 is 4998722.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 190969 = 1445^2 + 437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 19589 + ... + 19704.

2^2278994 is an apocalyptic number.

2278994 is a deficient number, since it is larger than the sum of its proper divisors (1257466).

2278994 is a wasteful number, since it uses less digits than its factorization.

2278994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39324.

The product of its digits is 72576, while the sum is 41.

The square root of 2278994 is about 1509.6337304128. The cubic root of 2278994 is about 131.5975267687.

The spelling of 2278994 in words is "two million, two hundred seventy-eight thousand, nine hundred ninety-four".