2878951 has 4 divisors (see below), whose sum is σ = 2886400. Its totient is φ = 2871504.

The previous prime is 2878921. The next prime is 2878957. The reversal of 2878951 is 1598782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2878951 - 2⁵ = 2878919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878957) 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, 3111 + ... + 3928.

It is an arithmetic number, because the mean of its divisors is an integer number (721600).

2^2878951 is an apocalyptic number.

2878951 is a deficient number, since it is larger than the sum of its proper divisors (7449).

2878951 is an equidigital number, since it uses as much as digits as its factorization.

2878951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448.

The product of its digits is 40320, while the sum is 40.

The square root of 2878951 is about 1696.7471821105. The cubic root of 2878951 is about 142.2584560954.

The spelling of 2878951 in words is "two million, eight hundred seventy-eight thousand, nine hundred fifty-one".