90430 has 8 divisors (see below), whose sum is σ = 162792. Its totient is φ = 36168.

The previous prime is 90407. The next prime is 90437. The reversal of 90430 is 3409.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90437) by changing a digit.

90430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4512 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (20349).

2⁹⁰⁴³⁰ is an apocalyptic number.

90430 is a deficient number, since it is larger than the sum of its proper divisors (72362).

90430 is a wasteful number, since it uses less digits than its factorization.

90430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 90430 is about 300.7158126870. The cubic root of 90430 is about 44.8853046222.

Adding to 90430 its reverse (3409), we get a palindrome (93839).

The spelling of 90430 in words is "ninety thousand, four hundred thirty".