28730262 has 16 divisors (see below), whose sum is σ = 62684352. Its totient is φ = 8706120.

The previous prime is 28730237. The next prime is 28730263. The reversal of 28730262 is 26203782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28730263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217588 + ... + 217719.

It is an arithmetic number, because the mean of its divisors is an integer number (3917772).

Almost surely, 2^28730262 is an apocalyptic number.

28730262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28730262 is an abundant number, since it is smaller than the sum of its proper divisors (33954090).

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

28730262 is a wasteful number, since it uses less digits than its factorization.

28730262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435323.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 28730262 is about 5360.0617533756. The cubic root of 28730262 is about 306.2761614747.

The spelling of 28730262 in words is "twenty-eight million, seven hundred thirty thousand, two hundred sixty-two".