30948492 has 48 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 9696960.

The previous prime is 30948469. The next prime is 30948493. The reversal of 30948492 is 29484903.

It is a self number, because there is not a number n which added to its sum of digits gives 30948492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30948493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33517 + ... + 34427.

It is an arithmetic number, because the mean of its divisors is an integer number (1596000).

Almost surely, 2^30948492 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 30948492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38304000).

30948492 is an abundant number, since it is smaller than the sum of its proper divisors (45659508).

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

30948492 is a wasteful number, since it uses less digits than its factorization.

30948492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 30948492 is about 5563.1368848879. The cubic root of 30948492 is about 313.9639835899.

The spelling of 30948492 in words is "thirty million, nine hundred forty-eight thousand, four hundred ninety-two".