90493848 has 80 divisors (see below), whose sum is σ = 254826000. Its totient is φ = 30003264.

The previous prime is 90493841. The next prime is 90493849. The reversal of 90493848 is 84839409.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90493841) 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 19 ways as a sum of consecutive naturals, for example, 232438 + ... + 232826.

It is an arithmetic number, because the mean of its divisors is an integer number (3185325).

Almost surely, 2^90493848 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 90493848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127413000).

90493848 is an abundant number, since it is smaller than the sum of its proper divisors (164332152).

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

90493848 is a wasteful number, since it uses less digits than its factorization.

90493848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 90493848 is about 9512.8254477836. The cubic root of 90493848 is about 448.9586587664.

The spelling of 90493848 in words is "ninety million, four hundred ninety-three thousand, eight hundred forty-eight".