30260421 has 12 divisors (see below), whose sum is σ = 43764448. Its totient is φ = 20148264.

The previous prime is 30260401. The next prime is 30260429. The reversal of 30260421 is 12406203.

It is a happy number.

It is not a de Polignac number, because 30260421 - 2¹¹ = 30258373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30260394 and 30260403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30260429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7986 + ... + 11148.

Almost surely, 2^30260421 is an apocalyptic number.

It is an amenable number.

30260421 is a deficient number, since it is larger than the sum of its proper divisors (13504027).

30260421 is a wasteful number, since it uses less digits than its factorization.

30260421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30260421 is about 5500.9472820597. The cubic root of 30260421 is about 311.6197599090.

Adding to 30260421 its reverse (12406203), we get a palindrome (42666624).

The spelling of 30260421 in words is "thirty million, two hundred sixty thousand, four hundred twenty-one".