47286869 has 4 divisors (see below), whose sum is σ = 54042144. Its totient is φ = 40531596.

The previous prime is 47286853. The next prime is 47286871. The reversal of 47286869 is 96868274.

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 not a de Polignac number, because 47286869 - 2⁴ = 47286853 is a prime.

It is a super-2 number, since 2×47286869² = 4472095959646322, 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 (47286769) 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, 3377627 + ... + 3377640.

It is an arithmetic number, because the mean of its divisors is an integer number (13510536).

Almost surely, 2^47286869 is an apocalyptic number.

It is an amenable number.

47286869 is a deficient number, since it is larger than the sum of its proper divisors (6755275).

47286869 is an equidigital number, since it uses as much as digits as its factorization.

47286869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6755274.

The product of its digits is 1161216, while the sum is 50.

The square root of 47286869 is about 6876.5448446149. The cubic root of 47286869 is about 361.6153464336.

The spelling of 47286869 in words is "forty-seven million, two hundred eighty-six thousand, eight hundred sixty-nine".