30346992 has 180 divisors, whose sum is σ = 97348680. Its totient is φ = 8805888.

The previous prime is 30346973. The next prime is 30346997. The reversal of 30346992 is 29964303.

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 (30346997) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 705723 + ... + 705765.

It is an arithmetic number, because the mean of its divisors is an integer number (540826).

Almost surely, 2^30346992 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 30346992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48674340).

30346992 is an abundant number, since it is smaller than the sum of its proper divisors (67001688).

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

30346992 is a wasteful number, since it uses less digits than its factorization.

30346992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 90 counting only the distinct ones).

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

The square root of 30346992 is about 5508.8103978990. The cubic root of 30346992 is about 311.9166443989.

The spelling of 30346992 in words is "thirty million, three hundred forty-six thousand, nine hundred ninety-two".