28898748 has 24 divisors (see below), whose sum is σ = 74922960. Its totient is φ = 9632880.

The previous prime is 28898743. The next prime is 28898777. The reversal of 28898748 is 84789882.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28898694 and 28898703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133683 + ... + 133898.

It is an arithmetic number, because the mean of its divisors is an integer number (3121790).

Almost surely, 2^28898748 is an apocalyptic number.

It is an amenable number.

28898748 is an abundant number, since it is smaller than the sum of its proper divisors (46024212).

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

28898748 is a wasteful number, since it uses less digits than its factorization.

28898748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267594 (or 267586 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 28898748 is about 5375.7555748006. The cubic root of 28898748 is about 306.8737044479.

It can be divided in two parts, 2889874 and 8, that added together give a palindrome (2889882).

The spelling of 28898748 in words is "twenty-eight million, eight hundred ninety-eight thousand, seven hundred forty-eight".