38961767 has 12 divisors (see below), whose sum is σ = 43226064. Its totient is φ = 35081280.

The previous prime is 38961757. The next prime is 38961781. The reversal of 38961767 is 76716983.

It is not a de Polignac number, because 38961767 - 2⁴ = 38961751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38961757) 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 11 ways as a sum of consecutive naturals, for example, 4118 + ... + 9740.

It is an arithmetic number, because the mean of its divisors is an integer number (3602172).

Almost surely, 2^38961767 is an apocalyptic number.

38961767 is a deficient number, since it is larger than the sum of its proper divisors (4264297).

38961767 is a wasteful number, since it uses less digits than its factorization.

38961767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690 (or 5677 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 38961767 is about 6241.9361579561. The cubic root of 38961767 is about 339.0102908151.

The spelling of 38961767 in words is "thirty-eight million, nine hundred sixty-one thousand, seven hundred sixty-seven".