28923710 has 8 divisors (see below), whose sum is σ = 52062696. Its totient is φ = 11569480.

The previous prime is 28923709. The next prime is 28923779. The reversal of 28923710 is 1732982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446176 + ... + 1446195.

It is an arithmetic number, because the mean of its divisors is an integer number (6507837).

Almost surely, 2^28923710 is an apocalyptic number.

28923710 is a deficient number, since it is larger than the sum of its proper divisors (23138986).

28923710 is a wasteful number, since it uses less digits than its factorization.

28923710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892378.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 28923710 is about 5378.0767937991. The cubic root of 28923710 is about 306.9620355746.

The spelling of 28923710 in words is "twenty-eight million, nine hundred twenty-three thousand, seven hundred ten".