30432412 has 24 divisors (see below), whose sum is σ = 54496512. Its totient is φ = 14865600.

The previous prime is 30432403. The next prime is 30432419. The reversal of 30432412 is 21423403.

It is a super-2 number, since 2×30432412² = 1852263400275488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30432412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46278 + ... + 46930.

It is an arithmetic number, because the mean of its divisors is an integer number (2270688).

Almost surely, 2^30432412 is an apocalyptic number.

It is an amenable number.

30432412 is a deficient number, since it is larger than the sum of its proper divisors (24064100).

30432412 is a wasteful number, since it uses less digits than its factorization.

30432412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30432412 is about 5516.5579848308. The cubic root of 30432412 is about 312.2090287852.

Adding to 30432412 its reverse (21423403), we get a palindrome (51855815).

Subtracting from 30432412 its reverse (21423403), we obtain a palindrome (9009009).

The spelling of 30432412 in words is "thirty million, four hundred thirty-two thousand, four hundred twelve".