28752926 has 4 divisors (see below), whose sum is σ = 43129392. Its totient is φ = 14376462.

The previous prime is 28752923. The next prime is 28752929. The reversal of 28752926 is 62925782.

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

It is an interprime number because it is at equal distance from previous prime (28752923) and next prime (28752929).

It is a super-2 number, since 2×28752926² = 1653461507122952, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28752923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7188230 + ... + 7188233.

It is an arithmetic number, because the mean of its divisors is an integer number (10782348).

Almost surely, 2^28752926 is an apocalyptic number.

28752926 is a deficient number, since it is larger than the sum of its proper divisors (14376466).

28752926 is a wasteful number, since it uses less digits than its factorization.

28752926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14376465.

The product of its digits is 120960, while the sum is 41.

The square root of 28752926 is about 5362.1754913468. The cubic root of 28752926 is about 306.3566760956.

The spelling of 28752926 in words is "twenty-eight million, seven hundred fifty-two thousand, nine hundred twenty-six".