38961759 has 4 divisors (see below), whose sum is σ = 51949016. Its totient is φ = 25974504.

The previous prime is 38961757. The next prime is 38961781. The reversal of 38961759 is 95716983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95716983 = 3 ⋅31905661.

It is not a de Polignac number, because 38961759 - 2¹ = 38961757 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 (38961751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6493624 + ... + 6493629.

It is an arithmetic number, because the mean of its divisors is an integer number (12987254).

Almost surely, 2^38961759 is an apocalyptic number.

38961759 is a deficient number, since it is larger than the sum of its proper divisors (12987257).

38961759 is a wasteful number, since it uses less digits than its factorization.

38961759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987256.

The product of its digits is 408240, while the sum is 48.

The square root of 38961759 is about 6241.9355171293. The cubic root of 38961759 is about 339.0102676122.

The spelling of 38961759 in words is "thirty-eight million, nine hundred sixty-one thousand, seven hundred fifty-nine".