47966369 has 4 divisors (see below), whose sum is σ = 52326960. Its totient is φ = 43605780.

The previous prime is 47966357. The next prime is 47966381. The reversal of 47966369 is 96366974.

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 an interprime number because it is at equal distance from previous prime (47966357) and next prime (47966381).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47966369 is a prime.

It is a super-2 number, since 2×47966369² = 4601545110088322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47966309) 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, 2180279 + ... + 2180300.

It is an arithmetic number, because the mean of its divisors is an integer number (13081740).

Almost surely, 2^47966369 is an apocalyptic number.

It is an amenable number.

47966369 is a deficient number, since it is larger than the sum of its proper divisors (4360591).

47966369 is a wasteful number, since it uses less digits than its factorization.

47966369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360590.

The product of its digits is 1469664, while the sum is 50.

The square root of 47966369 is about 6925.7756966278. The cubic root of 47966369 is about 363.3392215376.

The spelling of 47966369 in words is "forty-seven million, nine hundred sixty-six thousand, three hundred sixty-nine".