28905262 has 8 divisors (see below), whose sum is σ = 43475256. Its totient is φ = 14413512.

The previous prime is 28905259. The next prime is 28905263. The reversal of 28905262 is 26250982.

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

It is a super-3 number, since 3×28905262³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28905263) 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, 18628 + ... + 20119.

It is an arithmetic number, because the mean of its divisors is an integer number (5434407).

Almost surely, 2^28905262 is an apocalyptic number.

28905262 is a deficient number, since it is larger than the sum of its proper divisors (14569994).

28905262 is a wasteful number, since it uses less digits than its factorization.

28905262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39122.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28905262 is about 5376.3614089828. The cubic root of 28905262 is about 306.8967599466.

The spelling of 28905262 in words is "twenty-eight million, nine hundred five thousand, two hundred sixty-two".