28535454 has 24 divisors (see below), whose sum is σ = 65081640. Its totient is φ = 9011088.

The previous prime is 28535453. The next prime is 28535471. The reversal of 28535454 is 45453582.

It is a super-2 number, since 2×28535454² = 1628544269972232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28535453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41377 + ... + 42060.

It is an arithmetic number, because the mean of its divisors is an integer number (2711735).

Almost surely, 2^28535454 is an apocalyptic number.

28535454 is an abundant number, since it is smaller than the sum of its proper divisors (36546186).

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

28535454 is a wasteful number, since it uses less digits than its factorization.

28535454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83464 (or 83461 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 28535454 is about 5341.8586652962. The cubic root of 28535454 is about 305.5823470405.

The spelling of 28535454 in words is "twenty-eight million, five hundred thirty-five thousand, four hundred fifty-four".