47440965 has 64 divisors (see below), whose sum is σ = 94493952. Its totient is φ = 19968000.

The previous prime is 47440963. The next prime is 47440979. The reversal of 47440965 is 56904474.

It is a happy number.

47440965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47440965 - 2¹ = 47440963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47440961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35815 + ... + 37115.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468).

Almost surely, 2^47440965 is an apocalyptic number.

It is an amenable number.

47440965 is a deficient number, since it is larger than the sum of its proper divisors (47052987).

47440965 is a wasteful number, since it uses less digits than its factorization.

47440965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 47440965 is about 6887.7401954487. The cubic root of 47440965 is about 362.0077249758.

It can be divided in two parts, 474409 and 65, that added together give a palindrome (474474).

The spelling of 47440965 in words is "forty-seven million, four hundred forty thousand, nine hundred sixty-five".