30338132 has 24 divisors (see below), whose sum is σ = 61326720. Its totient is φ = 12978560.

The previous prime is 30338131. The next prime is 30338153. The reversal of 30338132 is 23183303.

It is a junction number, because it is equal to n+sod(n) for n = 30338098 and 30338107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30338131) 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, 19532 + ... + 21027.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^30338132 is an apocalyptic number.

It is an amenable number.

30338132 is an abundant number, since it is smaller than the sum of its proper divisors (30988588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30338132 is a wasteful number, since it uses less digits than its factorization.

30338132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40591 (or 40589 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30338132 is about 5508.0061728360. The cubic root of 30338132 is about 311.8862860857.

Adding to 30338132 its sum of digits (23), we get a triangular number (30338155 = T₇₇₈₉).

The spelling of 30338132 in words is "thirty million, three hundred thirty-eight thousand, one hundred thirty-two".