90064350 has 72 divisors (see below), whose sum is σ = 243212112. Its totient is φ = 23894400.

The previous prime is 90064339. The next prime is 90064357. The reversal of 90064350 is 5346009.

It is a happy number.

It is a super-2 number, since 2×90064350² = 16223174281845000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90064357) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117970 + ... + 118730.

It is an arithmetic number, because the mean of its divisors is an integer number (3377946).

Almost surely, 2^90064350 is an apocalyptic number.

90064350 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 90064350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121606056).

90064350 is an abundant number, since it is smaller than the sum of its proper divisors (153147762).

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

90064350 is a wasteful number, since it uses less digits than its factorization.

90064350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 90064350 is about 9490.2239172740. The cubic root of 90064350 is about 448.2472560233.

The spelling of 90064350 in words is "ninety million, sixty-four thousand, three hundred fifty".