28379667 has 8 divisors (see below), whose sum is σ = 38762640. Its totient is φ = 18458240.

The previous prime is 28379651. The next prime is 28379669. The reversal of 28379667 is 76697382.

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 28379667 - 2⁴ = 28379651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28379669) 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, 115242 + ... + 115487.

It is an arithmetic number, because the mean of its divisors is an integer number (4845330).

Almost surely, 2^28379667 is an apocalyptic number.

28379667 is a deficient number, since it is larger than the sum of its proper divisors (10382973).

28379667 is a wasteful number, since it uses less digits than its factorization.

28379667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230773.

The product of its digits is 762048, while the sum is 48.

The square root of 28379667 is about 5327.2569864800. The cubic root of 28379667 is about 305.0252312729.

The spelling of 28379667 in words is "twenty-eight million, three hundred seventy-nine thousand, six hundred sixty-seven".