28997058 has 16 divisors (see below), whose sum is σ = 58057056. Its totient is φ = 9655200.

The previous prime is 28997057. The next prime is 28997077. The reversal of 28997058 is 85079982.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28996998 and 28997016.

It is not an unprimeable number, because it can be changed into a prime (28997051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (3628566).

Almost surely, 2^28997058 is an apocalyptic number.

28997058 is an abundant number, since it is smaller than the sum of its proper divisors (29059998).

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

28997058 is a wasteful number, since it uses less digits than its factorization.

28997058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 28997058 is about 5384.8916423638. The cubic root of 28997058 is about 307.2212928424.

The spelling of 28997058 in words is "twenty-eight million, nine hundred ninety-seven thousand, fifty-eight".