28429803 has 12 divisors (see below), whose sum is σ = 41221440. Its totient is φ = 18881136.

The previous prime is 28429789. The next prime is 28429823. The reversal of 28429803 is 30892482.

It is not a de Polignac number, because 28429803 - 2⁸ = 28429547 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28429823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3451 + ... + 8292.

It is an arithmetic number, because the mean of its divisors is an integer number (3435120).

Almost surely, 2^28429803 is an apocalyptic number.

28429803 is a deficient number, since it is larger than the sum of its proper divisors (12791637).

28429803 is a wasteful number, since it uses less digits than its factorization.

28429803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018 (or 12015 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 28429803 is about 5331.9605212342. The cubic root of 28429803 is about 305.2047465147.

The spelling of 28429803 in words is "twenty-eight million, four hundred twenty-nine thousand, eight hundred three".