28694016 has 120 divisors (see below), whose sum is σ = 89369280. Its totient is φ = 8810496.

The previous prime is 28693993. The next prime is 28694027. The reversal of 28694016 is 61049682.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59665 + ... + 60143.

It is an arithmetic number, because the mean of its divisors is an integer number (744744).

Almost surely, 2^28694016 is an apocalyptic number.

28694016 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 28694016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44684640).

28694016 is an abundant number, since it is smaller than the sum of its proper divisors (60675264).

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

28694016 is a wasteful number, since it uses less digits than its factorization.

28694016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 28694016 is about 5356.6795685387. The cubic root of 28694016 is about 306.1473082876.

The spelling of 28694016 in words is "twenty-eight million, six hundred ninety-four thousand, sixteen".