28719348 has 48 divisors (see below), whose sum is σ = 76970880. Its totient is φ = 8164224.

The previous prime is 28719343. The next prime is 28719373. The reversal of 28719348 is 84391782.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28719343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18490 + ... + 19982.

It is an arithmetic number, because the mean of its divisors is an integer number (1603560).

Almost surely, 2^28719348 is an apocalyptic number.

28719348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28719348 is an abundant number, since it is smaller than the sum of its proper divisors (48251532).

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

28719348 is a wasteful number, since it uses less digits than its factorization.

28719348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736 (or 1734 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 28719348 is about 5359.0435713847. The cubic root of 28719348 is about 306.2373740179.

The spelling of 28719348 in words is "twenty-eight million, seven hundred nineteen thousand, three hundred forty-eight".