2874978 has 12 divisors (see below), whose sum is σ = 6229158. Its totient is φ = 958320.

The previous prime is 2874941. The next prime is 2874979. The reversal of 2874978 is 8794782.

It can be written as a sum of positive squares in only one way, i.e., 2518569 + 356409 = 1587^2 + 597^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2874979) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 79843 + ... + 79878.

2^2874978 is an apocalyptic number.

2874978 is an abundant number, since it is smaller than the sum of its proper divisors (3354180).

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

2874978 is a wasteful number, since it uses less digits than its factorization.

2874978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159729 (or 159726 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2874978 is about 1695.5760083228. The cubic root of 2874978 is about 142.1929862956.

It can be divided in two parts, 28749 and 78, that multiplied together give a palindrome (2242422).

The spelling of 2874978 in words is "two million, eight hundred seventy-four thousand, nine hundred seventy-eight".