38934961 has 4 divisors (see below), whose sum is σ = 41929972. Its totient is φ = 35939952.

The previous prime is 38934949. The next prime is 38934967. The reversal of 38934961 is 16943983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16943983 = 7 ⋅2420569.

It can be written as a sum of positive squares in 2 ways, for example, as 17172736 + 21762225 = 4144^2 + 4665^2 .

It is a cyclic number.

It is not a de Polignac number, because 38934961 - 2⁹ = 38934449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38934967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1497486 + ... + 1497511.

It is an arithmetic number, because the mean of its divisors is an integer number (10482493).

Almost surely, 2^38934961 is an apocalyptic number.

It is an amenable number.

38934961 is a deficient number, since it is larger than the sum of its proper divisors (2995011).

38934961 is a wasteful number, since it uses less digits than its factorization.

38934961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995010.

The product of its digits is 139968, while the sum is 43.

The square root of 38934961 is about 6239.7885380836. The cubic root of 38934961 is about 338.9325257355.

The spelling of 38934961 in words is "thirty-eight million, nine hundred thirty-four thousand, nine hundred sixty-one".