90494384 has 40 divisors (see below), whose sum is σ = 183269520. Its totient is φ = 43232000.

The previous prime is 90494381. The next prime is 90494387. The reversal of 90494384 is 48349409.

It is an interprime number because it is at equal distance from previous prime (90494381) and next prime (90494387).

It is not an unprimeable number, because it can be changed into a prime (90494381) 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 7 ways as a sum of consecutive naturals, for example, 45899 + ... + 47829.

It is an arithmetic number, because the mean of its divisors is an integer number (4581738).

Almost surely, 2^90494384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90494384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91634760).

90494384 is an abundant number, since it is smaller than the sum of its proper divisors (92775136).

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

90494384 is a wasteful number, since it uses less digits than its factorization.

90494384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 90494384 is about 9512.8536202340. The cubic root of 90494384 is about 448.9595451669.

The spelling of 90494384 in words is "ninety million, four hundred ninety-four thousand, three hundred eighty-four".