2878972 has 12 divisors (see below), whose sum is σ = 5095440. Its totient is φ = 1423136.

The previous prime is 2878961. The next prime is 2878973. The reversal of 2878972 is 2798782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3688 + ... + 4399.

It is an arithmetic number, because the mean of its divisors is an integer number (424620).

2^2878972 is an apocalyptic number.

It is an amenable number.

2878972 is a deficient number, since it is larger than the sum of its proper divisors (2216468).

2878972 is a wasteful number, since it uses less digits than its factorization.

2878972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180 (or 8178 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 2878972 is about 1696.7533704107. The cubic root of 2878972 is about 142.2588019877.

The spelling of 2878972 in words is "two million, eight hundred seventy-eight thousand, nine hundred seventy-two".