28492629 has 16 divisors (see below), whose sum is σ = 43882560. Its totient is φ = 16252160.

The previous prime is 28492619. The next prime is 28492657. The reversal of 28492629 is 92629482.

It is a cyclic number.

It is not a de Polignac number, because 28492629 - 2⁴ = 28492613 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28492619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24834 + ... + 25955.

It is an arithmetic number, because the mean of its divisors is an integer number (2742660).

Almost surely, 2^28492629 is an apocalyptic number.

It is an amenable number.

28492629 is a deficient number, since it is larger than the sum of its proper divisors (15389931).

28492629 is a wasteful number, since it uses less digits than its factorization.

28492629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50820.

The product of its digits is 124416, while the sum is 42.

The square root of 28492629 is about 5337.8487239711. The cubic root of 28492629 is about 305.4294014441.

The spelling of 28492629 in words is "twenty-eight million, four hundred ninety-two thousand, six hundred twenty-nine".