28950673 has 4 divisors (see below), whose sum is σ = 29027440. Its totient is φ = 28873908.

The previous prime is 28950641. The next prime is 28950697. The reversal of 28950673 is 37605982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28950673 - 2⁵ = 28950641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28950973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37815 + ... + 38572.

It is an arithmetic number, because the mean of its divisors is an integer number (7256860).

Almost surely, 2^28950673 is an apocalyptic number.

It is an amenable number.

28950673 is a deficient number, since it is larger than the sum of its proper divisors (76767).

28950673 is an equidigital number, since it uses as much as digits as its factorization.

28950673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76766.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 28950673 is about 5380.5829609811. The cubic root of 28950673 is about 307.0573904103.

The spelling of 28950673 in words is "twenty-eight million, nine hundred fifty thousand, six hundred seventy-three".