28374029 has 4 divisors (see below), whose sum is σ = 28435776. Its totient is φ = 28312284.

The previous prime is 28373993. The next prime is 28374043. The reversal of 28374029 is 92047382.

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 a cyclic number.

It is not a de Polignac number, because 28374029 - 2¹⁶ = 28308493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28374029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28374329) 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, 30179 + ... + 31104.

It is an arithmetic number, because the mean of its divisors is an integer number (7108944).

Almost surely, 2^28374029 is an apocalyptic number.

It is an amenable number.

28374029 is a deficient number, since it is larger than the sum of its proper divisors (61747).

28374029 is an equidigital number, since it uses as much as digits as its factorization.

28374029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61746.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 28374029 is about 5326.7277948099. The cubic root of 28374029 is about 305.0050308227.

The spelling of 28374029 in words is "twenty-eight million, three hundred seventy-four thousand, twenty-nine".