3938853 has 4 divisors (see below), whose sum is σ = 5251808. Its totient is φ = 2625900.

The previous prime is 3938839. The next prime is 3938897. The reversal of 3938853 is 3588393.

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.

It is not a de Polignac number, because 3938853 - 2⁵ = 3938821 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

3938853 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938153) 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, 656473 + ... + 656478.

It is an arithmetic number, because the mean of its divisors is an integer number (1312952).

Almost surely, 2^3938853 is an apocalyptic number.

It is an amenable number.

3938853 is a deficient number, since it is larger than the sum of its proper divisors (1312955).

3938853 is a wasteful number, since it uses less digits than its factorization.

3938853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312954.

The product of its digits is 77760, while the sum is 39.

The square root of 3938853 is about 1984.6543779711. The cubic root of 3938853 is about 157.9270747157.

The spelling of 3938853 in words is "three million, nine hundred thirty-eight thousand, eight hundred fifty-three".