47990335 has 4 divisors (see below), whose sum is σ = 57588408. Its totient is φ = 38392264.

The previous prime is 47990287. The next prime is 47990339. The reversal of 47990335 is 53309974.

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

It is a cyclic number.

It is not a de Polignac number, because 47990335 - 2⁷ = 47990207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47990339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4799029 + ... + 4799038.

It is an arithmetic number, because the mean of its divisors is an integer number (14397102).

Almost surely, 2^47990335 is an apocalyptic number.

47990335 is a deficient number, since it is larger than the sum of its proper divisors (9598073).

47990335 is an equidigital number, since it uses as much as digits as its factorization.

47990335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598072.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 47990335 is about 6927.5056838663. The cubic root of 47990335 is about 363.3997246089.

The spelling of 47990335 in words is "forty-seven million, nine hundred ninety thousand, three hundred thirty-five".