30492000 has 432 divisors, whose sum is σ = 135940896. Its totient is φ = 6336000.

The previous prime is 30491969. The next prime is 30492041. The reversal of 30492000 is 29403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2771995 + ... + 2772005.

It is an arithmetic number, because the mean of its divisors is an integer number (314678).

Almost surely, 2^30492000 is an apocalyptic number.

30492000 is a gapful number since it is divisible by the number (30) 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 30492000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67970448).

30492000 is an abundant number, since it is smaller than the sum of its proper divisors (105448896).

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

30492000 is a wasteful number, since it uses less digits than its factorization.

30492000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30492000 is about 5521.9561751249. The cubic root of 30492000 is about 312.4126689301.

The spelling of 30492000 in words is "thirty million, four hundred ninety-two thousand".