28002958 has 4 divisors (see below), whose sum is σ = 42004440. Its totient is φ = 14001478.

The previous prime is 28002907. The next prime is 28002971. The reversal of 28002958 is 85920082.

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

It is a congruent number.

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, 7000738 + ... + 7000741.

It is an arithmetic number, because the mean of its divisors is an integer number (10501110).

Almost surely, 2^28002958 is an apocalyptic number.

28002958 is a deficient number, since it is larger than the sum of its proper divisors (14001482).

28002958 is a wasteful number, since it uses less digits than its factorization.

28002958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14001481.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 28002958 is about 5291.7821194754. The cubic root of 28002958 is about 303.6695899422.

The spelling of 28002958 in words is "twenty-eight million, two thousand, nine hundred fifty-eight".