3838929 has 4 divisors (see below), whose sum is σ = 5118576. Its totient is φ = 2559284.

The previous prime is 3838927. The next prime is 3838937. The reversal of 3838929 is 9298383.

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: 9298383 = 3 ⋅3099461.

It is a cyclic number.

It is not a de Polignac number, because 3838929 - 2¹ = 3838927 is a prime.

It is an Ulam number.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3838921) 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, 639819 + ... + 639824.

It is an arithmetic number, because the mean of its divisors is an integer number (1279644).

Almost surely, 2^3838929 is an apocalyptic number.

It is an amenable number.

3838929 is a deficient number, since it is larger than the sum of its proper divisors (1279647).

3838929 is a wasteful number, since it uses less digits than its factorization.

3838929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279646.

The product of its digits is 93312, while the sum is 42.

The square root of 3838929 is about 1959.3185039702. The cubic root of 3838929 is about 156.5801458790.

The spelling of 3838929 in words is "three million, eight hundred thirty-eight thousand, nine hundred twenty-nine".