30448690 has 16 divisors (see below), whose sum is σ = 54979200. Its totient is φ = 12141360.

The previous prime is 30448681. The next prime is 30448703. The reversal of 30448690 is 9684403.

It is a super-2 number, since 2×30448690² = 1854245445432200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (3436200).

Almost surely, 2^30448690 is an apocalyptic number.

30448690 is a deficient number, since it is larger than the sum of its proper divisors (24530510).

30448690 is a wasteful number, since it uses less digits than its factorization.

30448690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9537.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 30448690 is about 5518.0331640903. The cubic root of 30448690 is about 312.2646847166.

The spelling of 30448690 in words is "thirty million, four hundred forty-eight thousand, six hundred ninety".