30289026 has 32 divisors (see below), whose sum is σ = 62149248. Its totient is φ = 9838080.

The previous prime is 30288989. The next prime is 30289027. The reversal of 30289026 is 62098203.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30288984 and 30289002.

It is not an unprimeable number, because it can be changed into a prime (30289027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40956 + ... + 41688.

It is an arithmetic number, because the mean of its divisors is an integer number (1942164).

Almost surely, 2^30289026 is an apocalyptic number.

30289026 is an abundant number, since it is smaller than the sum of its proper divisors (31860222).

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

30289026 is a wasteful number, since it uses less digits than its factorization.

30289026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30289026 is about 5503.5466746454. The cubic root of 30289026 is about 311.7179197678.

The spelling of 30289026 in words is "thirty million, two hundred eighty-nine thousand, twenty-six".