47836969 has 2 divisors, whose sum is σ = 47836970. Its totient is φ = 47836968.

The previous prime is 47836961. The next prime is 47837029. The reversal of 47836969 is 96963874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25887744 + 21949225 = 5088^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 47836969 - 2³ = 47836961 is a prime.

It is a super-2 number, since 2×47836969² = 4576751206213922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47836961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23918484 + 23918485.

It is an arithmetic number, because the mean of its divisors is an integer number (23918485).

Almost surely, 2^47836969 is an apocalyptic number.

It is an amenable number.

47836969 is a deficient number, since it is larger than the sum of its proper divisors (1).

47836969 is an equidigital number, since it uses as much as digits as its factorization.

47836969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 47836969 is about 6916.4274737757. The cubic root of 47836969 is about 363.0121977045.

The spelling of 47836969 in words is "forty-seven million, eight hundred thirty-six thousand, nine hundred sixty-nine".