30426605 has 8 divisors (see below), whose sum is σ = 39831264. Its totient is φ = 22128400.

The previous prime is 30426589. The next prime is 30426607. The reversal of 30426605 is 50662403.

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

It is not a de Polignac number, because 30426605 - 2⁴ = 30426589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30426607) 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, 276551 + ... + 276660.

It is an arithmetic number, because the mean of its divisors is an integer number (4978908).

Almost surely, 2^30426605 is an apocalyptic number.

It is an amenable number.

30426605 is a deficient number, since it is larger than the sum of its proper divisors (9404659).

30426605 is a wasteful number, since it uses less digits than its factorization.

30426605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553227.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30426605 is about 5516.0316351522. The cubic root of 30426605 is about 312.1891693323.

The spelling of 30426605 in words is "thirty million, four hundred twenty-six thousand, six hundred five".