47604391 has 2 divisors, whose sum is σ = 47604392. Its totient is φ = 47604390.

The previous prime is 47604383. The next prime is 47604413. The reversal of 47604391 is 19340674.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47604391 - 2³ = 47604383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47604331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23802195 + 23802196.

It is an arithmetic number, because the mean of its divisors is an integer number (23802196).

Almost surely, 2^47604391 is an apocalyptic number.

47604391 is a deficient number, since it is larger than the sum of its proper divisors (1).

47604391 is an equidigital number, since it uses as much as digits as its factorization.

47604391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47604391 is about 6899.5935387528. The cubic root of 47604391 is about 362.4229334387.

The spelling of 47604391 in words is "forty-seven million, six hundred four thousand, three hundred ninety-one".