30842982 has 24 divisors (see below), whose sum is σ = 66928680. Its totient is φ = 10265280.

The previous prime is 30842971. The next prime is 30842983. The reversal of 30842982 is 28924803.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30842983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21982 + ... + 23342.

It is an arithmetic number, because the mean of its divisors is an integer number (2788695).

Almost surely, 2^30842982 is an apocalyptic number.

30842982 is an abundant number, since it is smaller than the sum of its proper divisors (36085698).

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

30842982 is a wasteful number, since it uses less digits than its factorization.

30842982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2625 counting only the distinct ones).

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

The square root of 30842982 is about 5553.6458295430. The cubic root of 30842982 is about 313.6067873353.

The spelling of 30842982 in words is "thirty million, eight hundred forty-two thousand, nine hundred eighty-two".