90498450 has 96 divisors (see below), whose sum is σ = 259983360. Its totient is φ = 20404800.

The previous prime is 90498437. The next prime is 90498461. The reversal of 90498450 is 5489409.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90498399 and 90498408.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 82405 + ... + 83495.

It is an arithmetic number, because the mean of its divisors is an integer number (2708160).

Almost surely, 2^90498450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90498450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129991680).

90498450 is an abundant number, since it is smaller than the sum of its proper divisors (169484910).

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

90498450 is a wasteful number, since it uses less digits than its factorization.

90498450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 90498450 is about 9513.0673286801. The cubic root of 90498450 is about 448.9662691281.

The spelling of 90498450 in words is "ninety million, four hundred ninety-eight thousand, four hundred fifty".