30421204 has 24 divisors (see below), whose sum is σ = 61135200. Its totient is φ = 13099680.

The previous prime is 30421201. The next prime is 30421207. The reversal of 30421204 is 40212403.

It is an interprime number because it is at equal distance from previous prime (30421201) and next prime (30421207).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421201) 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, 17359 + ... + 19030.

It is an arithmetic number, because the mean of its divisors is an integer number (2547300).

Almost surely, 2^30421204 is an apocalyptic number.

It is an amenable number.

30421204 is an abundant number, since it is smaller than the sum of its proper divisors (30713996).

30421204 is a wasteful number, since it uses less digits than its factorization.

30421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36423 (or 36421 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30421204 is about 5515.5420404526. The cubic root of 30421204 is about 312.1706960972.

Adding to 30421204 its reverse (40212403), we get a palindrome (70633607).

It can be divided in two parts, 30421 and 204, that added together give a square (30625 = 175²).

The spelling of 30421204 in words is "thirty million, four hundred twenty-one thousand, two hundred four".