30288492 has 168 divisors, whose sum is σ = 92546496. Its totient is φ = 8584704.

The previous prime is 30288487. The next prime is 30288523. The reversal of 30288492 is 29488203.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 644413 + ... + 644459.

It is an arithmetic number, because the mean of its divisors is an integer number (550872).

Almost surely, 2^30288492 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 30288492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46273248).

30288492 is an abundant number, since it is smaller than the sum of its proper divisors (62258004).

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

30288492 is a wasteful number, since it uses less digits than its factorization.

30288492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 30288492 is about 5503.4981602613. The cubic root of 30288492 is about 311.7160878794.

The spelling of 30288492 in words is "thirty million, two hundred eighty-eight thousand, four hundred ninety-two".