28379120 has 160 divisors (see below), whose sum is σ = 87422976. Its totient is φ = 8294400.

The previous prime is 28379089. The next prime is 28379161. The reversal of 28379120 is 2197382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104585 + ... + 104855.

Almost surely, 2^28379120 is an apocalyptic number.

28379120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28379120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43711488).

28379120 is an abundant number, since it is smaller than the sum of its proper divisors (59043856).

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

28379120 is a wasteful number, since it uses less digits than its factorization.

28379120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 28379120 is about 5327.2056464905. The cubic root of 28379120 is about 305.0232715380.

The spelling of 28379120 in words is "twenty-eight million, three hundred seventy-nine thousand, one hundred twenty".