47161829 has 8 divisors (see below), whose sum is σ = 55407072. Its totient is φ = 39576240.

The previous prime is 47161817. The next prime is 47161837. The reversal of 47161829 is 92816174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47161829 - 2¹⁶ = 47096293 is a prime.

It is a super-2 number, since 2×47161829² = 4448476229250482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47161792 and 47161801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47161879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164759 + ... + 165044.

It is an arithmetic number, because the mean of its divisors is an integer number (6925884).

Almost surely, 2^47161829 is an apocalyptic number.

It is an amenable number.

47161829 is a deficient number, since it is larger than the sum of its proper divisors (8245243).

47161829 is a wasteful number, since it uses less digits than its factorization.

47161829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329827.

The product of its digits is 24192, while the sum is 38.

The square root of 47161829 is about 6867.4470511246. The cubic root of 47161829 is about 361.2963269571.

The spelling of 47161829 in words is "forty-seven million, one hundred sixty-one thousand, eight hundred twenty-nine".