30421433 has 8 divisors (see below), whose sum is σ = 36279168. Its totient is φ = 24941664.

The previous prime is 30421427. The next prime is 30421459. The reversal of 30421433 is 33412403.

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

It is a cyclic number.

It is not a de Polignac number, because 30421433 - 2¹⁴ = 30405049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30421423) 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, 94316 + ... + 94637.

It is an arithmetic number, because the mean of its divisors is an integer number (4534896).

Almost surely, 2^30421433 is an apocalyptic number.

It is an amenable number.

30421433 is a deficient number, since it is larger than the sum of its proper divisors (5857735).

30421433 is a wasteful number, since it uses less digits than its factorization.

30421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188983.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30421433 is about 5515.5627999326. The cubic root of 30421433 is about 312.1714793985.

Adding to 30421433 its reverse (33412403), we get a palindrome (63833836).

The spelling of 30421433 in words is "thirty million, four hundred twenty-one thousand, four hundred thirty-three".