30230406 has 48 divisors (see below), whose sum is σ = 70839600. Its totient is φ = 9284544.

The previous prime is 30230399. The next prime is 30230413. The reversal of 30230406 is 60403203.

30230406 is a `hidden beast` number, since 30 + 230 + 406 = 666.

It is an interprime number because it is at equal distance from previous prime (30230399) and next prime (30230413).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11460 + ... + 13848.

It is an arithmetic number, because the mean of its divisors is an integer number (1475825).

Almost surely, 2^30230406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30230406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35419800).

30230406 is an abundant number, since it is smaller than the sum of its proper divisors (40609194).

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

30230406 is a wasteful number, since it uses less digits than its factorization.

30230406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30230406 is about 5498.2184387309. The cubic root of 30230406 is about 311.5166950147.

Adding to 30230406 its reverse (60403203), we get a palindrome (90633609).

The spelling of 30230406 in words is "thirty million, two hundred thirty thousand, four hundred six".