28879941 has 16 divisors (see below), whose sum is σ = 39979520. Its totient is φ = 18524160.

The previous prime is 28879931. The next prime is 28879967. The reversal of 28879941 is 14997882.

It is not a de Polignac number, because 28879941 - 2⁵ = 28879909 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 (28879931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17145 + ... + 18753.

It is an arithmetic number, because the mean of its divisors is an integer number (2498720).

Almost surely, 2^28879941 is an apocalyptic number.

It is an amenable number.

28879941 is a deficient number, since it is larger than the sum of its proper divisors (11099579).

28879941 is a wasteful number, since it uses less digits than its factorization.

28879941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its digits is 290304, while the sum is 48.

The square root of 28879941 is about 5374.0060476334. The cubic root of 28879941 is about 306.8071199464.

The spelling of 28879941 in words is "twenty-eight million, eight hundred seventy-nine thousand, nine hundred forty-one".