38505349 has 4 divisors (see below), whose sum is σ = 38750764. Its totient is φ = 38259936.

The previous prime is 38505331. The next prime is 38505353. The reversal of 38505349 is 94350583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94350583 = 443 ⋅212981.

It can be written as a sum of positive squares in 2 ways, for example, as 9150625 + 29354724 = 3025^2 + 5418^2 .

It is a cyclic number.

It is not a de Polignac number, because 38505349 - 2¹⁹ = 37981061 is a prime.

It is a super-2 number, since 2×38505349² = 2965323803223602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38505319) 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, 122472 + ... + 122785.

It is an arithmetic number, because the mean of its divisors is an integer number (9687691).

Almost surely, 2^38505349 is an apocalyptic number.

It is an amenable number.

38505349 is a deficient number, since it is larger than the sum of its proper divisors (245415).

38505349 is a wasteful number, since it uses less digits than its factorization.

38505349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245414.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 38505349 is about 6205.2678427285. The cubic root of 38505349 is about 337.6813079778.

The spelling of 38505349 in words is "thirty-eight million, five hundred five thousand, three hundred forty-nine".