30239452 has 6 divisors (see below), whose sum is σ = 52919048. Its totient is φ = 15119724.

The previous prime is 30239437. The next prime is 30239453. The reversal of 30239452 is 25493203.

It is a self number, because there is not a number n which added to its sum of digits gives 30239452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30239453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3779928 + ... + 3779935.

Almost surely, 2^30239452 is an apocalyptic number.

It is an amenable number.

30239452 is a deficient number, since it is larger than the sum of its proper divisors (22679596).

30239452 is a wasteful number, since it uses less digits than its factorization.

30239452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559867 (or 7559865 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 30239452 is about 5499.0410073030. The cubic root of 30239452 is about 311.5477641640.

The spelling of 30239452 in words is "thirty million, two hundred thirty-nine thousand, four hundred fifty-two".