28964292 has 96 divisors (see below), whose sum is σ = 81715200. Its totient is φ = 7973280.

The previous prime is 28964281. The next prime is 28964293. The reversal of 28964292 is 29246982.

It is a super-2 number, since 2×28964292² = 1677860422122528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28964293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127483 + ... + 127709.

It is an arithmetic number, because the mean of its divisors is an integer number (851200).

Almost surely, 2^28964292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28964292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40857600).

28964292 is an abundant number, since it is smaller than the sum of its proper divisors (52750908).

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

28964292 is a wasteful number, since it uses less digits than its factorization.

28964292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 270 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 28964292 is about 5381.8483813649. The cubic root of 28964292 is about 307.1055315944.

The spelling of 28964292 in words is "twenty-eight million, nine hundred sixty-four thousand, two hundred ninety-two".