47384930 has 32 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 18090880.

The previous prime is 47384923. The next prime is 47384941. The reversal of 47384930 is 3948374.

It is a super-2 number, since 2×47384930² = 4490663182209800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18041 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 2^47384930 is an apocalyptic number.

47384930 is a deficient number, since it is larger than the sum of its proper divisors (41883550).

47384930 is a wasteful number, since it uses less digits than its factorization.

47384930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 47384930 is about 6883.6712588560. The cubic root of 47384930 is about 361.8651400831.

The spelling of 47384930 in words is "forty-seven million, three hundred eighty-four thousand, nine hundred thirty".