28354032 has 120 divisors (see below), whose sum is σ = 94708224. Its totient is φ = 7742592.

The previous prime is 28354021. The next prime is 28354069. The reversal of 28354032 is 23045382.

It is a super-2 number, since 2×28354032² = 1607902261314048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28353987 and 28354005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22573 + ... + 23795.

Almost surely, 2^28354032 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 28354032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47354112).

28354032 is an abundant number, since it is smaller than the sum of its proper divisors (66354192).

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

28354032 is a wasteful number, since it uses less digits than its factorization.

28354032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 28354032 is about 5324.8504204344. The cubic root of 28354032 is about 304.9333617741.

The spelling of 28354032 in words is "twenty-eight million, three hundred fifty-four thousand, thirty-two".