28449514 has 4 divisors (see below), whose sum is σ = 42674274. Its totient is φ = 14224756.

The previous prime is 28449497. The next prime is 28449529. The reversal of 28449514 is 41594482.

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., 19847025 + 8602489 = 4455^2 + 2933^2 .

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, 7112377 + ... + 7112380.

Almost surely, 2^28449514 is an apocalyptic number.

28449514 is a deficient number, since it is larger than the sum of its proper divisors (14224760).

28449514 is a wasteful number, since it uses less digits than its factorization.

28449514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224759.

The product of its digits is 46080, while the sum is 37.

The square root of 28449514 is about 5333.8085829921. The cubic root of 28449514 is about 305.2752652467.

The spelling of 28449514 in words is "twenty-eight million, four hundred forty-nine thousand, five hundred fourteen".