47438305 has 16 divisors (see below), whose sum is σ = 59854464. Its totient is φ = 36023680.

The previous prime is 47438273. The next prime is 47438309. The reversal of 47438305 is 50383474.

It is a happy number.

It is not a de Polignac number, because 47438305 - 2⁵ = 47438273 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (47438309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14250 + ... + 17260.

It is an arithmetic number, because the mean of its divisors is an integer number (3740904).

Almost surely, 2^47438305 is an apocalyptic number.

It is an amenable number.

47438305 is a deficient number, since it is larger than the sum of its proper divisors (12416159).

47438305 is a wasteful number, since it uses less digits than its factorization.

47438305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 47438305 is about 6887.5470960277. The cubic root of 47438305 is about 362.0009589629. Note that the first 3 decimals are identical.

The spelling of 47438305 in words is "forty-seven million, four hundred thirty-eight thousand, three hundred five".