90118030 has 8 divisors (see below), whose sum is σ = 162212472. Its totient is φ = 36047208.

The previous prime is 90118019. The next prime is 90118033. The reversal of 90118030 is 3081109.

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

It is a junction number, because it is equal to n+sod(n) for n = 90117992 and 90118010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90118033) 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, 4505892 + ... + 4505911.

It is an arithmetic number, because the mean of its divisors is an integer number (20276559).

Almost surely, 2^90118030 is an apocalyptic number.

90118030 is a deficient number, since it is larger than the sum of its proper divisors (72094442).

90118030 is a wasteful number, since it uses less digits than its factorization.

90118030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011810.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 90118030 is about 9493.0516695107. The cubic root of 90118030 is about 448.3362928577.

Adding to 90118030 its reverse (3081109), we get a palindrome (93199139).

The spelling of 90118030 in words is "ninety million, one hundred eighteen thousand, thirty".