47969393 has 8 divisors (see below), whose sum is σ = 52543080. Its totient is φ = 43590400.

The previous prime is 47969377. The next prime is 47969401. The reversal of 47969393 is 39396974.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1620529 + 46348864 = 1273^2 + 6808^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47969393 - 2⁴ = 47969377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47969323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48158 + ... + 49143.

It is an arithmetic number, because the mean of its divisors is an integer number (6567885).

Almost surely, 2^47969393 is an apocalyptic number.

It is an amenable number.

47969393 is a deficient number, since it is larger than the sum of its proper divisors (4573687).

47969393 is a wasteful number, since it uses less digits than its factorization.

47969393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97347.

The product of its digits is 1102248, while the sum is 50.

The square root of 47969393 is about 6925.9940080829. The cubic root of 47969393 is about 363.3468568506.

The spelling of 47969393 in words is "forty-seven million, nine hundred sixty-nine thousand, three hundred ninety-three".