90334620 has 72 divisors (see below), whose sum is σ = 282871680. Its totient is φ = 23310720.

The previous prime is 90334619. The next prime is 90334667. The reversal of 90334620 is 2643309.

90334620 is a `hidden beast` number, since 9 + 0 + 3 + 34 + 620 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2515 + ... + 13674.

Almost surely, 2^90334620 is an apocalyptic number.

90334620 is a gapful number since it is divisible by the number (90) 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 90334620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141435840).

90334620 is an abundant number, since it is smaller than the sum of its proper divisors (192537060).

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

90334620 is a wasteful number, since it uses less digits than its factorization.

90334620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16235 (or 16230 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 90334620 is about 9504.4526407363. The cubic root of 90334620 is about 448.6951831822.

Adding to 90334620 its reverse (2643309), we get a palindrome (92977929).

The spelling of 90334620 in words is "ninety million, three hundred thirty-four thousand, six hundred twenty".