90014490 has 96 divisors (see below), whose sum is σ = 257100480. Its totient is φ = 22581504.

The previous prime is 90014461. The next prime is 90014501. The reversal of 90014490 is 9441009.

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

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, 40221 + ... + 42399.

It is an arithmetic number, because the mean of its divisors is an integer number (2678130).

Almost surely, 2^90014490 is an apocalyptic number.

90014490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90014490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128550240).

90014490 is an abundant number, since it is smaller than the sum of its proper divisors (167085990).

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

90014490 is a wasteful number, since it uses less digits than its factorization.

90014490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 90014490 is about 9487.5966398240. The cubic root of 90014490 is about 448.1645235706.

Adding to 90014490 its reverse (9441009), we get a palindrome (99455499).

The spelling of 90014490 in words is "ninety million, fourteen thousand, four hundred ninety".