30849392 has 40 divisors (see below), whose sum is σ = 69611616. Its totient is φ = 12969216.

The previous prime is 30849391. The next prime is 30849419. The reversal of 30849392 is 29394803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30849391) 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, 3338 + ... + 8534.

Almost surely, 2^30849392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30849392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34805808).

30849392 is an abundant number, since it is smaller than the sum of its proper divisors (38762224).

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

30849392 is a wasteful number, since it uses less digits than its factorization.

30849392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5259 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 30849392 is about 5554.2228979399. Note that the first 3 decimals coincide. The cubic root of 30849392 is about 313.6285111347.

The spelling of 30849392 in words is "thirty million, eight hundred forty-nine thousand, three hundred ninety-two".