3934859 has 4 divisors (see below), whose sum is σ = 3973920. Its totient is φ = 3895800.

The previous prime is 3934849. The next prime is 3934867. The reversal of 3934859 is 9584393.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3934859 - 2⁸ = 3934603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3934849) 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, 19379 + ... + 19580.

It is an arithmetic number, because the mean of its divisors is an integer number (993480).

Almost surely, 2^3934859 is an apocalyptic number.

3934859 is a deficient number, since it is larger than the sum of its proper divisors (39061).

3934859 is a wasteful number, since it uses less digits than its factorization.

3934859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39060.

The product of its digits is 116640, while the sum is 41.

The square root of 3934859 is about 1983.6479022246. The cubic root of 3934859 is about 157.8736772712.

The spelling of 3934859 in words is "three million, nine hundred thirty-four thousand, eight hundred fifty-nine".