90873216 has 192 divisors, whose sum is σ = 305510400. Its totient is φ = 25390080.

The previous prime is 90873197. The next prime is 90873227. The reversal of 90873216 is 61237809.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475681 + ... + 475871.

It is an arithmetic number, because the mean of its divisors is an integer number (1591200).

Almost surely, 2^90873216 is an apocalyptic number.

90873216 is a gapful number since it is divisible by the number (96) 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 90873216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152755200).

90873216 is an abundant number, since it is smaller than the sum of its proper divisors (214637184).

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

90873216 is a wasteful number, since it uses less digits than its factorization.

90873216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 90873216 is about 9532.7444107141. The cubic root of 90873216 is about 449.5851584282.

The spelling of 90873216 in words is "ninety million, eight hundred seventy-three thousand, two hundred sixteen".