28413499 has 2 divisors, whose sum is σ = 28413500. Its totient is φ = 28413498.

The previous prime is 28413491. The next prime is 28413509. The reversal of 28413499 is 99431482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28413499 - 2³ = 28413491 is a prime.

It is not a weakly prime, because it can be changed into another prime (28413491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14206749 + 14206750.

It is an arithmetic number, because the mean of its divisors is an integer number (14206750).

Almost surely, 2^28413499 is an apocalyptic number.

28413499 is a deficient number, since it is larger than the sum of its proper divisors (1).

28413499 is an equidigital number, since it uses as much as digits as its factorization.

28413499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 28413499 is about 5330.4314084322. The cubic root of 28413499 is about 305.1463921448.

The spelling of 28413499 in words is "twenty-eight million, four hundred thirteen thousand, four hundred ninety-nine".