28790379 has 6 divisors (see below), whose sum is σ = 41586116. Its totient is φ = 19193580.

The previous prime is 28790371. The next prime is 28790381. The reversal of 28790379 is 97309782.

It is not a de Polignac number, because 28790379 - 2³ = 28790371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28790371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1599457 + ... + 1599474.

Almost surely, 2^28790379 is an apocalyptic number.

28790379 is a deficient number, since it is larger than the sum of its proper divisors (12795737).

28790379 is a wasteful number, since it uses less digits than its factorization.

28790379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198937 (or 3198934 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 28790379 is about 5365.6666873745. Note that the first 4 decimals coincide. The cubic root of 28790379 is about 306.4896364566.

The spelling of 28790379 in words is "twenty-eight million, seven hundred ninety thousand, three hundred seventy-nine".