30842392 has 16 divisors (see below), whose sum is σ = 66090960. Its totient is φ = 13218144.

The previous prime is 30842389. The next prime is 30842417. The reversal of 30842392 is 29324803.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 275323 + ... + 275434.

It is an arithmetic number, because the mean of its divisors is an integer number (4130685).

Almost surely, 2^30842392 is an apocalyptic number.

It is an amenable number.

30842392 is an abundant number, since it is smaller than the sum of its proper divisors (35248568).

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

30842392 is a wasteful number, since it uses less digits than its factorization.

30842392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550770 (or 550766 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 30842392 is about 5553.5927110295. The cubic root of 30842392 is about 313.6047876456.

It can be divided in two parts, 3084 and 2392, that added together give a square (5476 = 74²).

The spelling of 30842392 in words is "thirty million, eight hundred forty-two thousand, three hundred ninety-two".