38946757 has 4 divisors (see below), whose sum is σ = 40203136. Its totient is φ = 37690380.

The previous prime is 38946749. The next prime is 38946769. The reversal of 38946757 is 75764983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75764983 = 7 ⋅10823569.

It is a cyclic number.

It is not a de Polignac number, because 38946757 - 2³ = 38946749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38946757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38946707) 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, 628143 + ... + 628204.

It is an arithmetic number, because the mean of its divisors is an integer number (10050784).

Almost surely, 2^38946757 is an apocalyptic number.

It is an amenable number.

38946757 is a deficient number, since it is larger than the sum of its proper divisors (1256379).

38946757 is a wasteful number, since it uses less digits than its factorization.

38946757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256378.

The product of its digits is 1270080, while the sum is 49.

The square root of 38946757 is about 6240.7336908412. The cubic root of 38946757 is about 338.9667507120.

The spelling of 38946757 in words is "thirty-eight million, nine hundred forty-six thousand, seven hundred fifty-seven".