38762081 has 4 divisors (see below), whose sum is σ = 39197700. Its totient is φ = 38326464.

The previous prime is 38762069. The next prime is 38762099. The reversal of 38762081 is 18026783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20784481 + 17977600 = 4559^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 38762081 - 2¹⁰ = 38761057 is a prime.

It is a super-2 number, since 2×38762081² = 3004997846901122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38762021) 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, 217676 + ... + 217853.

It is an arithmetic number, because the mean of its divisors is an integer number (9799425).

Almost surely, 2^38762081 is an apocalyptic number.

It is an amenable number.

38762081 is a deficient number, since it is larger than the sum of its proper divisors (435619).

38762081 is an equidigital number, since it uses as much as digits as its factorization.

38762081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435618.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 38762081 is about 6225.9200926449. The cubic root of 38762081 is about 338.4301358302.

The spelling of 38762081 in words is "thirty-eight million, seven hundred sixty-two thousand, eighty-one".