28379417 has 8 divisors (see below), whose sum is σ = 31002912. Its totient is φ = 25763200.

The previous prime is 28379411. The next prime is 28379419. The reversal of 28379417 is 71497382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28379417 - 2⁸ = 28379161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28379411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9353 + ... + 12009.

It is an arithmetic number, because the mean of its divisors is an integer number (3875364).

Almost surely, 2^28379417 is an apocalyptic number.

It is an amenable number.

28379417 is a deficient number, since it is larger than the sum of its proper divisors (2623495).

28379417 is a wasteful number, since it uses less digits than its factorization.

28379417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its digits is 84672, while the sum is 41.

The square root of 28379417 is about 5327.2335221952. The cubic root of 28379417 is about 305.0243356019.

The spelling of 28379417 in words is "twenty-eight million, three hundred seventy-nine thousand, four hundred seventeen".