30949032 has 64 divisors (see below), whose sum is σ = 81648000. Its totient is φ = 9761024.

The previous prime is 30949019. The next prime is 30949033. The reversal of 30949032 is 23094903.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30949033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36469 + ... + 37307.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^30949032 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 30949032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40824000).

30949032 is an abundant number, since it is smaller than the sum of its proper divisors (50698968).

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

30949032 is a wasteful number, since it uses less digits than its factorization.

30949032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 30949032 is about 5563.1854184451. The cubic root of 30949032 is about 313.9658096301.

The spelling of 30949032 in words is "thirty million, nine hundred forty-nine thousand, thirty-two".