47620399 has 2 divisors, whose sum is σ = 47620400. Its totient is φ = 47620398.

The previous prime is 47620381. The next prime is 47620471. The reversal of 47620399 is 99302674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47620399 - 2⁷ = 47620271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47620999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23810199 + 23810200.

It is an arithmetic number, because the mean of its divisors is an integer number (23810200).

Almost surely, 2^47620399 is an apocalyptic number.

47620399 is a deficient number, since it is larger than the sum of its proper divisors (1).

47620399 is an equidigital number, since it uses as much as digits as its factorization.

47620399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 47620399 is about 6900.7535095814. The cubic root of 47620399 is about 362.4635530538.

The spelling of 47620399 in words is "forty-seven million, six hundred twenty thousand, three hundred ninety-nine".