2878001 has 4 divisors (see below), whose sum is σ = 3289152. Its totient is φ = 2466852.

The previous prime is 2877983. The next prime is 2878003. The reversal of 2878001 is 1008782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2878001 - 2⁶ = 2877937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2878003) 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, 205565 + ... + 205578.

It is an arithmetic number, because the mean of its divisors is an integer number (822288).

2^2878001 is an apocalyptic number.

It is an amenable number.

2878001 is a deficient number, since it is larger than the sum of its proper divisors (411151).

2878001 is an equidigital number, since it uses as much as digits as its factorization.

2878001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411150.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 2878001 is about 1696.4672115900. The cubic root of 2878001 is about 142.2428068305.

The spelling of 2878001 in words is "two million, eight hundred seventy-eight thousand, one".