3923506 has 4 divisors (see below), whose sum is σ = 5885262. Its totient is φ = 1961752.

The previous prime is 3923483. The next prime is 3923527. The reversal of 3923506 is 6053293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6053293 = 419 ⋅14447.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 156025 = 1941^2 + 395^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980875 + ... + 980878.

Almost surely, 2^3923506 is an apocalyptic number.

3923506 is a deficient number, since it is larger than the sum of its proper divisors (1961756).

3923506 is a wasteful number, since it uses less digits than its factorization.

3923506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961755.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 3923506 is about 1980.7841881437. The cubic root of 3923506 is about 157.7216966961.

Adding to 3923506 its reverse (6053293), we get a palindrome (9976799).

The spelling of 3923506 in words is "three million, nine hundred twenty-three thousand, five hundred six".