3921475 has 12 divisors (see below), whose sum is σ = 5149224. Its totient is φ = 2952320.

The previous prime is 3921451. The next prime is 3921497. The reversal of 3921475 is 5741293.

It is not a de Polignac number, because 3921475 - 2⁷ = 3921347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4189 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (429102).

Almost surely, 2^3921475 is an apocalyptic number.

3921475 is a deficient number, since it is larger than the sum of its proper divisors (1227749).

3921475 is a wasteful number, since it uses less digits than its factorization.

3921475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254 (or 9249 counting only the distinct ones).

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

The square root of 3921475 is about 1980.2714460397. The cubic root of 3921475 is about 157.6944771586.

The spelling of 3921475 in words is "three million, nine hundred twenty-one thousand, four hundred seventy-five".