90002029 has 8 divisors (see below), whose sum is σ = 102627000. Its totient is φ = 78191616.

The previous prime is 90001999. The next prime is 90002041. The reversal of 90002029 is 92020009.

It can be written as a sum of positive squares in 4 ways, for example, as 3232804 + 86769225 = 1798^2 + 9315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90002029 - 2⁵ = 90001997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90002089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203404 + ... + 203845.

It is an arithmetic number, because the mean of its divisors is an integer number (12828375).

Almost surely, 2^90002029 is an apocalyptic number.

It is an amenable number.

90002029 is a deficient number, since it is larger than the sum of its proper divisors (12624971).

90002029 is a wasteful number, since it uses less digits than its factorization.

90002029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407279.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 90002029 is about 9486.9399175920. The cubic root of 90002029 is about 448.1438423231.

The spelling of 90002029 in words is "ninety million, two thousand, twenty-nine".