1938462147 has 12 divisors (see below), whose sum is σ = 2890323904. Its totient is φ = 1250620560.

The previous prime is 1938462143. The next prime is 1938462161. The reversal of 1938462147 is 7412648391.

1938462147 is a `hidden beast` number, since 19 + 3 + 8 + 4 + 621 + 4 + 7 = 666.

1938462147 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1938462147 - 2² = 1938462143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1938462143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3473668 + ... + 3474225.

Almost surely, 2^1938462147 is an apocalyptic number.

1938462147 is a deficient number, since it is larger than the sum of its proper divisors (951861757).

1938462147 is a wasteful number, since it uses less digits than its factorization.

1938462147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947930 (or 6947927 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1938462147 is about 44027.9700531378. The cubic root of 1938462147 is about 1246.8640639966.

The spelling of 1938462147 in words is "one billion, nine hundred thirty-eight million, four hundred sixty-two thousand, one hundred forty-seven".