28034748 has 120 divisors (see below), whose sum is σ = 85865472. Its totient is φ = 7809696.

The previous prime is 28034737. The next prime is 28034759. The reversal of 28034748 is 84743082.

It is an interprime number because it is at equal distance from previous prime (28034737) and next prime (28034759).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 106465 + ... + 106727.

Almost surely, 2^28034748 is an apocalyptic number.

28034748 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 28034748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42932736).

28034748 is an abundant number, since it is smaller than the sum of its proper divisors (57830724).

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

28034748 is a wasteful number, since it uses less digits than its factorization.

28034748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 28034748 is about 5294.7849814700. The cubic root of 28034748 is about 303.7844588250.

It can be divided in two parts, 28034 and 748, that added together give a palindrome (28782).

The spelling of 28034748 in words is "twenty-eight million, thirty-four thousand, seven hundred forty-eight".