28915754 has 8 divisors (see below), whose sum is σ = 49569888. Its totient is φ = 12392460.

The previous prime is 28915751. The next prime is 28915801. The reversal of 28915754 is 45751982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28915754² = 1672241658777032, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28915751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032692 + ... + 1032719.

It is an arithmetic number, because the mean of its divisors is an integer number (6196236).

Almost surely, 2^28915754 is an apocalyptic number.

28915754 is a deficient number, since it is larger than the sum of its proper divisors (20654134).

28915754 is a wasteful number, since it uses less digits than its factorization.

28915754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065420.

The product of its digits is 100800, while the sum is 41.

The square root of 28915754 is about 5377.3370733105. The cubic root of 28915754 is about 306.9338878034.

The spelling of 28915754 in words is "twenty-eight million, nine hundred fifteen thousand, seven hundred fifty-four".