28269954 has 48 divisors (see below), whose sum is σ = 65445120. Its totient is φ = 8799840.

The previous prime is 28269953. The next prime is 28269977. The reversal of 28269954 is 45996282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28269953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15309 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (1363440).

Almost surely, 2^28269954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28269954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32722560).

28269954 is an abundant number, since it is smaller than the sum of its proper divisors (37175166).

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

28269954 is a wasteful number, since it uses less digits than its factorization.

28269954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1812 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 28269954 is about 5316.9496894366. The cubic root of 28269954 is about 304.6316578213.

The spelling of 28269954 in words is "twenty-eight million, two hundred sixty-nine thousand, nine hundred fifty-four".