38127797 has 8 divisors (see below), whose sum is σ = 39303096. Its totient is φ = 36960192.

The previous prime is 38127769. The next prime is 38127811. The reversal of 38127797 is 79772183.

It can be written as a sum of positive squares in 4 ways, for example, as 32787076 + 5340721 = 5726^2 + 2311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38127797 - 2¹⁰ = 38126773 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 (38127707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9083 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (4912887).

Almost surely, 2^38127797 is an apocalyptic number.

38127797 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38127797 is a deficient number, since it is larger than the sum of its proper divisors (1175299).

38127797 is a wasteful number, since it uses less digits than its factorization.

38127797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847.

The product of its digits is 148176, while the sum is 44.

The square root of 38127797 is about 6174.7710078998. The cubic root of 38127797 is about 336.5740052585.

It can be divided in two parts, 38 and 127797, that multiplied together give a triangular number (4856286 = T₃₁₁₆).

The spelling of 38127797 in words is "thirty-eight million, one hundred twenty-seven thousand, seven hundred ninety-seven".