30497434 has 16 divisors (see below), whose sum is σ = 50268960. Its totient is φ = 13761360.

The previous prime is 30497431. The next prime is 30497443. The reversal of 30497434 is 43479403.

It is a self number, because there is not a number n which added to its sum of digits gives 30497434.

It is not an unprimeable number, because it can be changed into a prime (30497431) 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, 1929 + ... + 8044.

It is an arithmetic number, because the mean of its divisors is an integer number (3141810).

Almost surely, 2^30497434 is an apocalyptic number.

30497434 is a deficient number, since it is larger than the sum of its proper divisors (19771526).

30497434 is a wasteful number, since it uses less digits than its factorization.

30497434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 30497434 is about 5522.4481889829. The cubic root of 30497434 is about 312.4312262523.

The spelling of 30497434 in words is "thirty million, four hundred ninety-seven thousand, four hundred thirty-four".