2894679021 has 16 divisors (see below), whose sum is σ = 4181971136. Its totient is φ = 1770408576.

The previous prime is 2894678999. The next prime is 2894679023. The reversal of 2894679021 is 1209764982.

It is not a de Polignac number, because 2894679021 - 2¹⁰ = 2894677997 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 (2894679023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221320 + ... + 234033.

It is an arithmetic number, because the mean of its divisors is an integer number (261373196).

Almost surely, 2^2894679021 is an apocalyptic number.

It is an amenable number.

2894679021 is a deficient number, since it is larger than the sum of its proper divisors (1287292115).

2894679021 is a wasteful number, since it uses less digits than its factorization.

2894679021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455532.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2894679021 is about 53802.2213389001. The cubic root of 2894679021 is about 1425.1704355086.

The spelling of 2894679021 in words is "two billion, eight hundred ninety-four million, six hundred seventy-nine thousand, twenty-one".