30641090 has 8 divisors (see below), whose sum is σ = 55153980. Its totient is φ = 12256432.

The previous prime is 30641087. The next prime is 30641101. The reversal of 30641090 is 9014603.

It can be written as a sum of positive squares in 2 ways, for example, as 28633201 + 2007889 = 5351^2 + 1417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1532045 + ... + 1532064.

Almost surely, 2^30641090 is an apocalyptic number.

30641090 is a deficient number, since it is larger than the sum of its proper divisors (24512890).

30641090 is a wasteful number, since it uses less digits than its factorization.

30641090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064116.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30641090 is about 5535.4394586157. The cubic root of 30641090 is about 312.9210197209.

Adding to 30641090 its reverse (9014603), we get a palindrome (39655693).

The spelling of 30641090 in words is "thirty million, six hundred forty-one thousand, ninety".