30209258 has 16 divisors (see below), whose sum is σ = 48180096. Its totient is φ = 14174160.

The previous prime is 30209243. The next prime is 30209273. The reversal of 30209258 is 85290203.

It is an interprime number because it is at equal distance from previous prime (30209243) and next prime (30209273).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30209258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3758 + ... + 8633.

It is an arithmetic number, because the mean of its divisors is an integer number (3011256).

Almost surely, 2^30209258 is an apocalyptic number.

30209258 is a deficient number, since it is larger than the sum of its proper divisors (17970838).

30209258 is a wasteful number, since it uses less digits than its factorization.

30209258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12469.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30209258 is about 5496.2949338623. The cubic root of 30209258 is about 311.4440364703. Note that the first 3 decimals are identical.

The spelling of 30209258 in words is "thirty million, two hundred nine thousand, two hundred fifty-eight".