2878346 has 8 divisors (see below), whose sum is σ = 4388484. Its totient is φ = 1415520.

The previous prime is 2878333. The next prime is 2878361. The reversal of 2878346 is 6438782.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 790321 = 1445^2 + 889^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11675 + ... + 11918.

2^2878346 is an apocalyptic number.

2878346 is a deficient number, since it is larger than the sum of its proper divisors (1510138).

2878346 is a wasteful number, since it uses less digits than its factorization.

2878346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23656.

The product of its digits is 64512, while the sum is 38.

The square root of 2878346 is about 1696.5688904374. The cubic root of 2878346 is about 142.2484903828.

The spelling of 2878346 in words is "two million, eight hundred seventy-eight thousand, three hundred forty-six".