3895979 has 4 divisors (see below), whose sum is σ = 3926784. Its totient is φ = 3865176.

The previous prime is 3895967. The next prime is 3895981. The reversal of 3895979 is 9795983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9795983 = 911 ⋅10753.

It is a cyclic number.

It is not a de Polignac number, because 3895979 - 2⁴ = 3895963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3895909) 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, 15212 + ... + 15465.

It is an arithmetic number, because the mean of its divisors is an integer number (981696).

Almost surely, 2^3895979 is an apocalyptic number.

3895979 is a deficient number, since it is larger than the sum of its proper divisors (30805).

3895979 is a wasteful number, since it uses less digits than its factorization.

3895979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30804.

The product of its digits is 612360, while the sum is 50.

The square root of 3895979 is about 1973.8234470185. The cubic root of 3895979 is about 157.3519764887.

The spelling of 3895979 in words is "three million, eight hundred ninety-five thousand, nine hundred seventy-nine".