30789396 has 120 divisors (see below), whose sum is σ = 90012384. Its totient is φ = 9097920.

The previous prime is 30789389. The next prime is 30789413. The reversal of 30789396 is 69398703.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 188811 + ... + 188973.

Almost surely, 2^30789396 is an apocalyptic number.

30789396 is a gapful number since it is divisible by the number (36) 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 30789396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45006192).

30789396 is an abundant number, since it is smaller than the sum of its proper divisors (59222988).

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

30789396 is a wasteful number, since it uses less digits than its factorization.

30789396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 30789396 is about 5548.8193338764. The cubic root of 30789396 is about 313.4250639328.

The spelling of 30789396 in words is "thirty million, seven hundred eighty-nine thousand, three hundred ninety-six".