30463992 has 128 divisors (see below), whose sum is σ = 96096000. Its totient is φ = 8864640.

The previous prime is 30463991. The next prime is 30463997. The reversal of 30463992 is 29936403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30463991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53067 + ... + 53637.

It is an arithmetic number, because the mean of its divisors is an integer number (750750).

Almost surely, 2^30463992 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 30463992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48048000).

30463992 is an abundant number, since it is smaller than the sum of its proper divisors (65632008).

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

30463992 is a wasteful number, since it uses less digits than its factorization.

30463992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 30463992 is about 5519.4195346975. The cubic root of 30463992 is about 312.3169855325.

The spelling of 30463992 in words is "thirty million, four hundred sixty-three thousand, nine hundred ninety-two".