47266389 has 8 divisors (see below), whose sum is σ = 70024320. Its totient is φ = 31510908.

The previous prime is 47266381. The next prime is 47266393. The reversal of 47266389 is 98366274.

47266389 is a `hidden beast` number, since 4 + 7 + 2 + 6 + 638 + 9 = 666.

47266389 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 47266389 - 2³ = 47266381 is a prime.

It is a super-2 number, since 2×47266389² = 4468223058198642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47266381) 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 7 ways as a sum of consecutive naturals, for example, 875277 + ... + 875330.

It is an arithmetic number, because the mean of its divisors is an integer number (8753040).

Almost surely, 2^47266389 is an apocalyptic number.

It is an amenable number.

47266389 is a deficient number, since it is larger than the sum of its proper divisors (22757931).

47266389 is a wasteful number, since it uses less digits than its factorization.

47266389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750616 (or 1750610 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 47266389 is about 6875.0555634118. The cubic root of 47266389 is about 361.5631335475.

The spelling of 47266389 in words is "forty-seven million, two hundred sixty-six thousand, three hundred eighty-nine".