47439363 has 32 divisors (see below), whose sum is σ = 68935680. Its totient is φ = 28939680.

The previous prime is 47439361. The next prime is 47439377. The reversal of 47439363 is 36393474.

It is not a de Polignac number, because 47439363 - 2¹ = 47439361 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47439361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174918 + ... + 175188.

It is an arithmetic number, because the mean of its divisors is an integer number (2154240).

Almost surely, 2^47439363 is an apocalyptic number.

47439363 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47439363 is a deficient number, since it is larger than the sum of its proper divisors (21496317).

47439363 is a wasteful number, since it uses less digits than its factorization.

47439363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its digits is 163296, while the sum is 39.

The square root of 47439363 is about 6887.6239008819. The cubic root of 47439363 is about 362.0036501367.

The spelling of 47439363 in words is "forty-seven million, four hundred thirty-nine thousand, three hundred sixty-three".