47992906 has 8 divisors (see below), whose sum is σ = 77527044. Its totient is φ = 22150560.

The previous prime is 47992897. The next prime is 47992907. The reversal of 47992906 is 60929974.

It can be written as a sum of positive squares in 2 ways, for example, as 34117281 + 13875625 = 5841^2 + 3725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47992907) by changing a digit.

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, 922915 + ... + 922966.

Almost surely, 2^47992906 is an apocalyptic number.

47992906 is a deficient number, since it is larger than the sum of its proper divisors (29534138).

47992906 is a wasteful number, since it uses less digits than its factorization.

47992906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845896.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 47992906 is about 6927.6912460069. The cubic root of 47992906 is about 363.4062139990.

The spelling of 47992906 in words is "forty-seven million, nine hundred ninety-two thousand, nine hundred six".