47488946 has 4 divisors (see below), whose sum is σ = 71233422. Its totient is φ = 23744472.

The previous prime is 47488937. The next prime is 47488967. The reversal of 47488946 is 64988474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47458321 + 30625 = 6889^2 + 175^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47488894 and 47488903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872235 + ... + 11872238.

Almost surely, 2^47488946 is an apocalyptic number.

47488946 is a deficient number, since it is larger than the sum of its proper divisors (23744476).

47488946 is a wasteful number, since it uses less digits than its factorization.

47488946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23744475.

The product of its digits is 1548288, while the sum is 50.

The square root of 47488946 is about 6891.2223879367. Note that the first 3 decimals coincide. The cubic root of 47488946 is about 362.1297267114.

The spelling of 47488946 in words is "forty-seven million, four hundred eighty-eight thousand, nine hundred forty-six".