28682620 has 12 divisors (see below), whose sum is σ = 60233544. Its totient is φ = 11473040.

The previous prime is 28682617. The next prime is 28682623. The reversal of 28682620 is 2628682.

It is an interprime number because it is at equal distance from previous prime (28682617) and next prime (28682623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682623) 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, 717046 + ... + 717085.

It is an arithmetic number, because the mean of its divisors is an integer number (5019462).

Almost surely, 2^28682620 is an apocalyptic number.

28682620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28682620 is an abundant number, since it is smaller than the sum of its proper divisors (31550924).

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

28682620 is a wasteful number, since it uses less digits than its factorization.

28682620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434140 (or 1434138 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 28682620 is about 5355.6157442445. The cubic root of 28682620 is about 306.1067735096.

The spelling of 28682620 in words is "twenty-eight million, six hundred eighty-two thousand, six hundred twenty".