28746499 has 2 divisors, whose sum is σ = 28746500. Its totient is φ = 28746498.

The previous prime is 28746493. The next prime is 28746503. The reversal of 28746499 is 99464782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28746499 - 2⁹ = 28745987 is a prime.

It is a super-2 number, since 2×28746499² = 1652722409514002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28746493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373249 + 14373250.

It is an arithmetic number, because the mean of its divisors is an integer number (14373250).

Almost surely, 2^28746499 is an apocalyptic number.

28746499 is a deficient number, since it is larger than the sum of its proper divisors (1).

28746499 is an equidigital number, since it uses as much as digits as its factorization.

28746499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 28746499 is about 5361.5761675090. The cubic root of 28746499 is about 306.3338482614. Note that the first 3 decimals are identical.

The spelling of 28746499 in words is "twenty-eight million, seven hundred forty-six thousand, four hundred ninety-nine".