90334690 has 16 divisors (see below), whose sum is σ = 162761400. Its totient is φ = 36098560.

The previous prime is 90334687. The next prime is 90334691. The reversal of 90334690 is 9643309.

It can be written as a sum of positive squares in 4 ways, for example, as 69239041 + 21095649 = 8321^2 + 4593^2 .

It is a super-2 number, since 2×90334690² = 16320712434792200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90334691) 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, 7986 + ... + 15634.

Almost surely, 2^90334690 is an apocalyptic number.

90334690 is a deficient number, since it is larger than the sum of its proper divisors (72426710).

90334690 is a wasteful number, since it uses less digits than its factorization.

90334690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 90334690 is about 9504.4563232202. The cubic root of 90334690 is about 448.6952990796.

Adding to 90334690 its reverse (9643309), we get a palindrome (99977999).

The spelling of 90334690 in words is "ninety million, three hundred thirty-four thousand, six hundred ninety".