90100006 has 8 divisors (see below), whose sum is σ = 135237960. Its totient is φ = 45020688.

The previous prime is 90099991. The next prime is 90100009. The reversal of 90100006 is 60000109.

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

It is a super-2 number, since 2×90100006² = 16236022162400072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90100009) 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, 10591 + ... + 17098.

It is an arithmetic number, because the mean of its divisors is an integer number (16904745).

Almost surely, 2^90100006 is an apocalyptic number.

90100006 is a deficient number, since it is larger than the sum of its proper divisors (45137954).

90100006 is a wasteful number, since it uses less digits than its factorization.

90100006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29318.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 90100006 is about 9492.1022961197. The cubic root of 90100006 is about 448.3064011252.

The spelling of 90100006 in words is "ninety million, one hundred thousand, six".