3893939 has 8 divisors (see below), whose sum is σ = 4478208. Its totient is φ = 3316680.

The previous prime is 3893933. The next prime is 3893957. The reversal of 3893939 is 9393983.

3893939 = T₁₂₇ + T₁₂₈ + ... + T₂₉₃.

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

It is a cyclic number.

It is not a de Polignac number, because 3893939 - 2⁸ = 3893683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3893939.

It is not an unprimeable number, because it can be changed into a prime (3893933) 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, 497 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (559776).

Almost surely, 2^3893939 is an apocalyptic number.

3893939 is a deficient number, since it is larger than the sum of its proper divisors (584269).

3893939 is a wasteful number, since it uses less digits than its factorization.

3893939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505.

The product of its digits is 157464, while the sum is 44.

The square root of 3893939 is about 1973.3066158101. The cubic root of 3893939 is about 157.3245076483.

Adding to 3893939 its sum of digits (44), we get a palindrome (3893983).

The spelling of 3893939 in words is "three million, eight hundred ninety-three thousand, nine hundred thirty-nine".