28379020 has 12 divisors (see below), whose sum is σ = 59595984. Its totient is φ = 11351600.

The previous prime is 28379017. The next prime is 28379041. The reversal of 28379020 is 2097382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709456 + ... + 709495.

It is an arithmetic number, because the mean of its divisors is an integer number (4966332).

Almost surely, 2^28379020 is an apocalyptic number.

28379020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28379020 is an abundant number, since it is smaller than the sum of its proper divisors (31216964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28379020 is a wasteful number, since it uses less digits than its factorization.

28379020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418960 (or 1418958 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 28379020 is about 5327.1962606985. The cubic root of 28379020 is about 305.0229132656.

The spelling of 28379020 in words is "twenty-eight million, three hundred seventy-nine thousand, twenty".