30488934 has 32 divisors (see below), whose sum is σ = 71940096. Its totient is φ = 8429760.

The previous prime is 30488933. The next prime is 30488951. The reversal of 30488934 is 43988403.

It is a junction number, because it is equal to n+sod(n) for n = 30488892 and 30488901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30488933) 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 15 ways as a sum of consecutive naturals, for example, 10407 + ... + 13010.

It is an arithmetic number, because the mean of its divisors is an integer number (2248128).

Almost surely, 2^30488934 is an apocalyptic number.

30488934 is an abundant number, since it is smaller than the sum of its proper divisors (41451162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30488934 is a wasteful number, since it uses less digits than its factorization.

30488934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23460.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 30488934 is about 5521.6785491370. The cubic root of 30488934 is about 312.4021974474.

The spelling of 30488934 in words is "thirty million, four hundred eighty-eight thousand, nine hundred thirty-four".