90663300 has 432 divisors, whose sum is σ = 371559552. Its totient is φ = 18662400.

The previous prime is 90663289. The next prime is 90663301. The reversal of 90663300 is 336609.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90663301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2211280 + ... + 2211320.

Almost surely, 2^90663300 is an apocalyptic number.

90663300 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90663300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185779776).

90663300 is an abundant number, since it is smaller than the sum of its proper divisors (280896252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90663300 is a wasteful number, since it uses less digits than its factorization.

90663300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 90663300 is about 9521.7277843887. The cubic root of 90663300 is about 449.2387128192.

Adding to 90663300 its reverse (336609), we get a palindrome (90999909).

The spelling of 90663300 in words is "ninety million, six hundred sixty-three thousand, three hundred".