47540384 has 24 divisors (see below), whose sum is σ = 93748788. Its totient is φ = 23731200.

The previous prime is 47540351. The next prime is 47540399. The reversal of 47540384 is 48304574.

It can be written as a sum of positive squares in 2 ways, for example, as 44890000 + 2650384 = 6700^2 + 1628^2 .

It is a super-2 number, since 2×47540384² = 4520176221734912, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37814 + ... + 39050.

Almost surely, 2^47540384 is an apocalyptic number.

It is an amenable number.

47540384 is a deficient number, since it is larger than the sum of its proper divisors (46208404).

47540384 is a wasteful number, since it uses less digits than its factorization.

47540384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 47540384 is about 6894.9535168846. The cubic root of 47540384 is about 362.2604273557.

The spelling of 47540384 in words is "forty-seven million, five hundred forty thousand, three hundred eighty-four".