28976948 has 48 divisors (see below), whose sum is σ = 68095104. Its totient is φ = 10419840.

The previous prime is 28976947. The next prime is 28976953. The reversal of 28976948 is 84967982.

It is a self number, because there is not a number n which added to its sum of digits gives 28976948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28976947) 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 15 ways as a sum of consecutive naturals, for example, 386 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (1418648).

Almost surely, 2^28976948 is an apocalyptic number.

28976948 is a gapful number since it is divisible by the number (28) 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 28976948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34047552).

28976948 is an abundant number, since it is smaller than the sum of its proper divisors (39118156).

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

28976948 is a wasteful number, since it uses less digits than its factorization.

28976948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272 (or 7270 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 28976948 is about 5383.0240571634. The cubic root of 28976948 is about 307.1502551876.

The spelling of 28976948 in words is "twenty-eight million, nine hundred seventy-six thousand, nine hundred forty-eight".