90829129 has 4 divisors (see below), whose sum is σ = 91373184. Its totient is φ = 90285076.

The previous prime is 90829127. The next prime is 90829159. The reversal of 90829129 is 92192809.

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 90829129 - 2¹ = 90829127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90829091 and 90829100.

It is not an unprimeable number, because it can be changed into a prime (90829127) 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, 271777 + ... + 272110.

It is an arithmetic number, because the mean of its divisors is an integer number (22843296).

Almost surely, 2^90829129 is an apocalyptic number.

It is an amenable number.

90829129 is a deficient number, since it is larger than the sum of its proper divisors (544055).

90829129 is a wasteful number, since it uses less digits than its factorization.

90829129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544054.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 90829129 is about 9530.4317320885. The cubic root of 90829129 is about 449.5124414863.

The spelling of 90829129 in words is "ninety million, eight hundred twenty-nine thousand, one hundred twenty-nine".