28934010 has 132 divisors (see below), whose sum is σ = 90875898. Its totient is φ = 6613488.

The previous prime is 28933939. The next prime is 28934011. The reversal of 28934010 is 1043982.

It can be written as a sum of positive squares in only one way, i.e., 26040609 + 2893401 = 5103^2 + 1701^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28934011) by changing a digit.

It is a polite number, since it can be written in 65 ways as a sum of consecutive naturals, for example, 4133427 + ... + 4133433.

Almost surely, 2^28934010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28934010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45437949).

28934010 is an abundant number, since it is smaller than the sum of its proper divisors (61941888).

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

28934010 is an frugal number, since it uses more digits than its factorization.

28934010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 28934010 is about 5379.0342999464. The cubic root of 28934010 is about 306.9984685880.

Adding to 28934010 its reverse (1043982), we get a palindrome (29977992).

It can be divided in two parts, 2893 and 4010, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 28934010 in words is "twenty-eight million, nine hundred thirty-four thousand, ten".