28415098 has 4 divisors (see below), whose sum is σ = 42622650. Its totient is φ = 14207548.

The previous prime is 28415071. The next prime is 28415117. The reversal of 28415098 is 89051482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25735329 + 2679769 = 5073^2 + 1637^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7103773 + ... + 7103776.

Almost surely, 2^28415098 is an apocalyptic number.

28415098 is a deficient number, since it is larger than the sum of its proper divisors (14207552).

28415098 is a wasteful number, since it uses less digits than its factorization.

28415098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207551.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 28415098 is about 5330.5813941821. The cubic root of 28415098 is about 305.1521161838.

The spelling of 28415098 in words is "twenty-eight million, four hundred fifteen thousand, ninety-eight".