3923798 has 4 divisors (see below), whose sum is σ = 5885700. Its totient is φ = 1961898.

The previous prime is 3923791. The next prime is 3923827. The reversal of 3923798 is 8973293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8973293 = 7 ⋅1281899.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980948 + ... + 980951.

It is an arithmetic number, because the mean of its divisors is an integer number (1471425).

Almost surely, 2^3923798 is an apocalyptic number.

3923798 is a deficient number, since it is larger than the sum of its proper divisors (1961902).

3923798 is a wasteful number, since it uses less digits than its factorization.

3923798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961901.

The product of its digits is 81648, while the sum is 41.

The square root of 3923798 is about 1980.8578949536. The cubic root of 3923798 is about 157.7256093185.

The spelling of 3923798 in words is "three million, nine hundred twenty-three thousand, seven hundred ninety-eight".