2825978 has 8 divisors (see below), whose sum is σ = 4488372. Its totient is φ = 1329856.

The previous prime is 2825959. The next prime is 2825981. The reversal of 2825978 is 8795282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2778889 + 47089 = 1667^2 + 217^2 .

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, 41525 + ... + 41592.

2^2825978 is an apocalyptic number.

2825978 is a deficient number, since it is larger than the sum of its proper divisors (1662394).

2825978 is a wasteful number, since it uses less digits than its factorization.

2825978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83136.

The product of its digits is 80640, while the sum is 41.

The square root of 2825978 is about 1681.0645436746. The cubic root of 2825978 is about 141.3805257043.

The spelling of 2825978 in words is "two million, eight hundred twenty-five thousand, nine hundred seventy-eight".