47923469 has 4 divisors (see below), whose sum is σ = 52280160. Its totient is φ = 43566780.

The previous prime is 47923441. The next prime is 47923483. The reversal of 47923469 is 96432974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47923469 is a prime.

It is a super-2 number, since 2×47923469² = 4593317761987922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178329 + ... + 2178350.

It is an arithmetic number, because the mean of its divisors is an integer number (13070040).

Almost surely, 2^47923469 is an apocalyptic number.

It is an amenable number.

47923469 is a deficient number, since it is larger than the sum of its proper divisors (4356691).

47923469 is a wasteful number, since it uses less digits than its factorization.

47923469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356690.

The product of its digits is 326592, while the sum is 44.

The square root of 47923469 is about 6922.6778778158. The cubic root of 47923469 is about 363.2308685242.

The spelling of 47923469 in words is "forty-seven million, nine hundred twenty-three thousand, four hundred sixty-nine".