38964691 has 8 divisors (see below), whose sum is σ = 40757760. Its totient is φ = 37179912.

The previous prime is 38964683. The next prime is 38964707. The reversal of 38964691 is 19646983.

38964691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38964691 - 2³ = 38964683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38964631) 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, 8820 + ... + 12478.

It is an arithmetic number, because the mean of its divisors is an integer number (5094720).

Almost surely, 2^38964691 is an apocalyptic number.

38964691 is a deficient number, since it is larger than the sum of its proper divisors (1793069).

38964691 is a wasteful number, since it uses less digits than its factorization.

38964691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145.

The product of its digits is 279936, while the sum is 46.

The square root of 38964691 is about 6242.1703757587. The cubic root of 38964691 is about 339.0187712766.

The spelling of 38964691 in words is "thirty-eight million, nine hundred sixty-four thousand, six hundred ninety-one".