30994432 has 104 divisors (see below), whose sum is σ = 75488256. Its totient is φ = 12435456.

The previous prime is 30994427. The next prime is 30994433. The reversal of 30994432 is 23449903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30994433) 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, 659433 + ... + 659479.

Almost surely, 2^30994432 is an apocalyptic number.

30994432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30994432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37744128).

30994432 is an abundant number, since it is smaller than the sum of its proper divisors (44493824).

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

30994432 is an equidigital number, since it uses as much as digits as its factorization.

30994432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 30994432 is about 5567.2643192146. The cubic root of 30994432 is about 314.1192563630.

The spelling of 30994432 in words is "thirty million, nine hundred ninety-four thousand, four hundred thirty-two".