47836997 has 16 divisors (see below), whose sum is σ = 54840240. Its totient is φ = 41336832.

The previous prime is 47836969. The next prime is 47837029. The reversal of 47836997 is 79963874.

It can be written as a sum of positive squares in 8 ways, for example, as 12208036 + 35628961 = 3494^2 + 5969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47836997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47836907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51029 + ... + 51957.

It is an arithmetic number, because the mean of its divisors is an integer number (3427515).

Almost surely, 2^47836997 is an apocalyptic number.

It is an amenable number.

47836997 is a deficient number, since it is larger than the sum of its proper divisors (7003243).

47836997 is a wasteful number, since it uses less digits than its factorization.

47836997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its digits is 2286144, while the sum is 53.

The square root of 47836997 is about 6916.4294979418. The cubic root of 47836997 is about 363.0122685308.

The spelling of 47836997 in words is "forty-seven million, eight hundred thirty-six thousand, nine hundred ninety-seven".