30320090 has 16 divisors (see below), whose sum is σ = 54678888. Its totient is φ = 12105216.

The previous prime is 30320083. The next prime is 30320137. The reversal of 30320090 is 9002303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16265089 + 14055001 = 4033^2 + 3749^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374 + ... + 8486.

Almost surely, 2^30320090 is an apocalyptic number.

30320090 is a deficient number, since it is larger than the sum of its proper divisors (24358798).

30320090 is a wasteful number, since it uses less digits than its factorization.

30320090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 30320090 is about 5506.3681315364. The cubic root of 30320090 is about 311.8244478661.

Adding to 30320090 its reverse (9002303), we get a palindrome (39322393).

The spelling of 30320090 in words is "thirty million, three hundred twenty thousand, ninety".