47396869 has 4 divisors (see below), whose sum is σ = 51042796. Its totient is φ = 43750944.

The previous prime is 47396857. The next prime is 47396903. The reversal of 47396869 is 96869374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2439844 + 44957025 = 1562^2 + 6705^2 .

It is a cyclic number.

It is not a de Polignac number, because 47396869 - 2⁵ = 47396837 is a prime.

It is a super-2 number, since 2×47396869² = 4492926382006322, 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 (47396669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822944 + ... + 1822969.

It is an arithmetic number, because the mean of its divisors is an integer number (12760699).

Almost surely, 2^47396869 is an apocalyptic number.

It is an amenable number.

47396869 is a deficient number, since it is larger than the sum of its proper divisors (3645927).

47396869 is a wasteful number, since it uses less digits than its factorization.

47396869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645926.

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

The square root of 47396869 is about 6884.5384013745. The cubic root of 47396869 is about 361.8955291056.

The spelling of 47396869 in words is "forty-seven million, three hundred ninety-six thousand, eight hundred sixty-nine".