38685349 has 4 divisors (see below), whose sum is σ = 40721440. Its totient is φ = 36649260.

The previous prime is 38685341. The next prime is 38685359. The reversal of 38685349 is 94358683.

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: 94358683 = 709 ⋅133087.

It is a cyclic number.

It is not a de Polignac number, because 38685349 - 2³ = 38685341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38685299 and 38685308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38685341) 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, 1018017 + ... + 1018054.

It is an arithmetic number, because the mean of its divisors is an integer number (10180360).

Almost surely, 2^38685349 is an apocalyptic number.

It is an amenable number.

38685349 is a deficient number, since it is larger than the sum of its proper divisors (2036091).

38685349 is a wasteful number, since it uses less digits than its factorization.

38685349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036090.

The product of its digits is 622080, while the sum is 46.

The square root of 38685349 is about 6219.7547379298. The cubic root of 38685349 is about 338.2066736668.

The spelling of 38685349 in words is "thirty-eight million, six hundred eighty-five thousand, three hundred forty-nine".