47990606 has 4 divisors (see below), whose sum is σ = 71985912. Its totient is φ = 23995302.

The previous prime is 47990603. The next prime is 47990611. The reversal of 47990606 is 60609974.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47990603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11997650 + ... + 11997653.

It is an arithmetic number, because the mean of its divisors is an integer number (17996478).

Almost surely, 2^47990606 is an apocalyptic number.

47990606 is a deficient number, since it is larger than the sum of its proper divisors (23995306).

47990606 is a wasteful number, since it uses less digits than its factorization.

47990606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23995305.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 47990606 is about 6927.5252435484. The cubic root of 47990606 is about 363.4004086434.

The spelling of 47990606 in words is "forty-seven million, nine hundred ninety thousand, six hundred six".