47389365 has 12 divisors (see below), whose sum is σ = 82141644. Its totient is φ = 25274304.

The previous prime is 47389357. The next prime is 47389369. The reversal of 47389365 is 56398374.

It can be written as a sum of positive squares in 2 ways, for example, as 30669444 + 16719921 = 5538^2 + 4089^2 .

It is not a de Polignac number, because 47389365 - 2³ = 47389357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1053097 = 47389365 / (4 + 7 + 3 + 8 + 9 + 3 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47389365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47389369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526504 + ... + 526593.

It is an arithmetic number, because the mean of its divisors is an integer number (6845137).

Almost surely, 2^47389365 is an apocalyptic number.

47389365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47389365 is a deficient number, since it is larger than the sum of its proper divisors (34752279).

47389365 is a wasteful number, since it uses less digits than its factorization.

47389365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053108 (or 1053105 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 47389365 is about 6883.9933904675. The cubic root of 47389365 is about 361.8764293392.

Subtracting 47389365 from its reverse (56398374), we obtain a palindrome (9009009).

The spelling of 47389365 in words is "forty-seven million, three hundred eighty-nine thousand, three hundred sixty-five".