30398229 has 12 divisors (see below), whose sum is σ = 43957836. Its totient is φ = 20242752.

The previous prime is 30398209. The next prime is 30398231. The reversal of 30398229 is 92289303.

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 14976900 = 3927^2 + 3870^2 .

It is not a de Polignac number, because 30398229 - 2¹⁶ = 30332693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30398193 and 30398202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30398209) 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, 11719 + ... + 14075.

It is an arithmetic number, because the mean of its divisors is an integer number (3663153).

Almost surely, 2^30398229 is an apocalyptic number.

It is an amenable number.

30398229 is a deficient number, since it is larger than the sum of its proper divisors (13559607).

30398229 is a wasteful number, since it uses less digits than its factorization.

30398229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 30398229 is about 5513.4588961921. The cubic root of 30398229 is about 312.0920894337.

The spelling of 30398229 in words is "thirty million, three hundred ninety-eight thousand, two hundred twenty-nine".