47943965 has 16 divisors (see below), whose sum is σ = 59222016. Its totient is φ = 37238400.

The previous prime is 47943953. The next prime is 47943967. The reversal of 47943965 is 56934974.

It is a happy number.

It is not a de Polignac number, because 47943965 - 2²⁰ = 46895389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47943967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55124 + ... + 55986.

It is an arithmetic number, because the mean of its divisors is an integer number (3701376).

Almost surely, 2^47943965 is an apocalyptic number.

It is an amenable number.

47943965 is a deficient number, since it is larger than the sum of its proper divisors (11278051).

47943965 is a wasteful number, since it uses less digits than its factorization.

47943965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180.

The product of its digits is 816480, while the sum is 47.

The square root of 47943965 is about 6924.1580715636. The cubic root of 47943965 is about 363.2826435658.

It can be divided in two parts, 479 and 43965, that added together give a palindrome (44444).

The spelling of 47943965 in words is "forty-seven million, nine hundred forty-three thousand, nine hundred sixty-five".