28454058 has 32 divisors (see below), whose sum is σ = 66561600. Its totient is φ = 8985168.

The previous prime is 28454051. The next prime is 28454071. The reversal of 28454058 is 85045482.

It is not an unprimeable number, because it can be changed into a prime (28454051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12841 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (2080050).

Almost surely, 2^28454058 is an apocalyptic number.

28454058 is an abundant number, since it is smaller than the sum of its proper divisors (38107542).

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

28454058 is a wasteful number, since it uses less digits than its factorization.

28454058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27763 (or 27757 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 28454058 is about 5334.2345280274. The cubic root of 28454058 is about 305.2915173926.

It can be divided in two parts, 2845 and 4058, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 28454058 in words is "twenty-eight million, four hundred fifty-four thousand, fifty-eight".