28492379 has 4 divisors (see below), whose sum is σ = 29411520. Its totient is φ = 27573240.

The previous prime is 28492367. The next prime is 28492427. The reversal of 28492379 is 97329482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28492379 - 2¹⁶ = 28426843 is a prime.

It is a super-2 number, since 2×28492379² = 1623631322159282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28492309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459524 + ... + 459585.

It is an arithmetic number, because the mean of its divisors is an integer number (7352880).

Almost surely, 2^28492379 is an apocalyptic number.

28492379 is a deficient number, since it is larger than the sum of its proper divisors (919141).

28492379 is an equidigital number, since it uses as much as digits as its factorization.

28492379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919140.

The product of its digits is 217728, while the sum is 44.

The square root of 28492379 is about 5337.8253062460. The cubic root of 28492379 is about 305.4285081420.

The spelling of 28492379 in words is "twenty-eight million, four hundred ninety-two thousand, three hundred seventy-nine".