3921754 has 4 divisors (see below), whose sum is σ = 5882634. Its totient is φ = 1960876.

The previous prime is 3921721. The next prime is 3921761. The reversal of 3921754 is 4571293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4571293 = 139 ⋅32887.

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 13225 = 1977^2 + 115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980437 + ... + 980440.

Almost surely, 2^3921754 is an apocalyptic number.

3921754 is a deficient number, since it is larger than the sum of its proper divisors (1960880).

3921754 is a wasteful number, since it uses less digits than its factorization.

3921754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960879.

The product of its digits is 7560, while the sum is 31.

The square root of 3921754 is about 1980.3418896746. The cubic root of 3921754 is about 157.6982168838.

The spelling of 3921754 in words is "three million, nine hundred twenty-one thousand, seven hundred fifty-four".