28714629 has 4 divisors (see below), whose sum is σ = 38286176. Its totient is φ = 19143084.

The previous prime is 28714589. The next prime is 28714639. The reversal of 28714629 is 92641782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28714629 - 2⁹ = 28714117 is a prime.

It is a Duffinian 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 (28714639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785769 + ... + 4785774.

It is an arithmetic number, because the mean of its divisors is an integer number (9571544).

Almost surely, 2^28714629 is an apocalyptic number.

It is an amenable number.

28714629 is a deficient number, since it is larger than the sum of its proper divisors (9571547).

28714629 is an equidigital number, since it uses as much as digits as its factorization.

28714629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9571546.

The product of its digits is 48384, while the sum is 39.

The square root of 28714629 is about 5358.6032695097. The cubic root of 28714629 is about 306.2206000376.

The spelling of 28714629 in words is "twenty-eight million, seven hundred fourteen thousand, six hundred twenty-nine".