893842947 has 6 divisors (see below), whose sum is σ = 1291106492. Its totient is φ = 595895292.

The previous prime is 893842909. The next prime is 893842967. The reversal of 893842947 is 749248398.

893842947 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 893842947 - 2¹² = 893838851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 893842893 and 893842902.

It is not an unprimeable number, because it can be changed into a prime (893842967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49657933 + ... + 49657950.

Almost surely, 2^893842947 is an apocalyptic number.

893842947 is a deficient number, since it is larger than the sum of its proper divisors (397263545).

893842947 is a wasteful number, since it uses less digits than its factorization.

893842947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99315889 (or 99315886 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 893842947 is about 29897.2063410614. The cubic root of 893842947 is about 963.2826523812.

The spelling of 893842947 in words is "eight hundred ninety-three million, eight hundred forty-two thousand, nine hundred forty-seven".