30472338 has 16 divisors (see below), whose sum is σ = 65632896. Its totient is φ = 9376080.

The previous prime is 30472327. The next prime is 30472339. The reversal of 30472338 is 83327403.

It is not an unprimeable number, because it can be changed into a prime (30472339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195258 + ... + 195413.

It is an arithmetic number, because the mean of its divisors is an integer number (4102056).

Almost surely, 2^30472338 is an apocalyptic number.

30472338 is an abundant number, since it is smaller than the sum of its proper divisors (35160558).

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

30472338 is a wasteful number, since it uses less digits than its factorization.

30472338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390689.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 30472338 is about 5520.1755406871. The cubic root of 30472338 is about 312.3455040051.

The spelling of 30472338 in words is "thirty million, four hundred seventy-two thousand, three hundred thirty-eight".