30339040 has 24 divisors (see below), whose sum is σ = 71676360. Its totient is φ = 12135552.

The previous prime is 30338993. The next prime is 30339041. The reversal of 30339040 is 4093303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30339041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94650 + ... + 94969.

It is an arithmetic number, because the mean of its divisors is an integer number (2986515).

Almost surely, 2^30339040 is an apocalyptic number.

It is an amenable number.

30339040 is an abundant number, since it is smaller than the sum of its proper divisors (41337320).

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

30339040 is a wasteful number, since it uses less digits than its factorization.

30339040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189634 (or 189626 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 30339040 is about 5508.0885976898. The cubic root of 30339040 is about 311.8893975707.

The spelling of 30339040 in words is "thirty million, three hundred thirty-nine thousand, forty".