28394496 has 176 divisors, whose sum is σ = 91705600. Its totient is φ = 8626176.

The previous prime is 28394479. The next prime is 28394501. The reversal of 28394496 is 69449382.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359385 + ... + 359463.

Almost surely, 2^28394496 is an apocalyptic number.

28394496 is a gapful number since it is divisible by the number (26) 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 28394496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45852800).

28394496 is an abundant number, since it is smaller than the sum of its proper divisors (63311104).

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

28394496 is a wasteful number, since it uses less digits than its factorization.

28394496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 97 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 28394496 is about 5328.6486091691. The cubic root of 28394496 is about 305.0783494855.

The spelling of 28394496 in words is "twenty-eight million, three hundred ninety-four thousand, four hundred ninety-six".