28429035 has 32 divisors (see below), whose sum is σ = 49973760. Its totient is φ = 13736448.

The previous prime is 28429033. The next prime is 28429043. The reversal of 28429035 is 53092482.

It is a happy number.

It is not a de Polignac number, because 28429035 - 2¹ = 28429033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28428987 and 28429005.

It is not an unprimeable number, because it can be changed into a prime (28429033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4387 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (1561680).

Almost surely, 2^28429035 is an apocalyptic number.

28429035 is a deficient number, since it is larger than the sum of its proper divisors (21544725).

28429035 is a wasteful number, since it uses less digits than its factorization.

28429035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 28429035 is about 5331.8885022101. Note that the first 3 decimals coincide. The cubic root of 28429035 is about 305.2019982326.

The spelling of 28429035 in words is "twenty-eight million, four hundred twenty-nine thousand, thirty-five".