90230006 has 8 divisors (see below), whose sum is σ = 135385680. Its totient is φ = 45101448.

The previous prime is 90229987. The next prime is 90230017. The reversal of 90230006 is 60003209.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90230006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7895 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (16923210).

Almost surely, 2^90230006 is an apocalyptic number.

90230006 is a deficient number, since it is larger than the sum of its proper divisors (45155674).

90230006 is a wasteful number, since it uses less digits than its factorization.

90230006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13558.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 90230006 is about 9498.9476259215. The cubic root of 90230006 is about 448.5219091578.

The spelling of 90230006 in words is "ninety million, two hundred thirty thousand, six".