3755921 has 8 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 3385872.

The previous prime is 3755909. The next prime is 3755959. The reversal of 3755921 is 1295573.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3755921 - 2¹⁰ = 3754897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3755621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801 + ... + 3918.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

Almost surely, 2^3755921 is an apocalyptic number.

It is an amenable number.

3755921 is a deficient number, since it is larger than the sum of its proper divisors (383599).

3755921 is a wasteful number, since it uses less digits than its factorization.

3755921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775.

The product of its digits is 9450, while the sum is 32.

The square root of 3755921 is about 1938.0198657393. The cubic root of 3755921 is about 155.4433508493.

The spelling of 3755921 in words is "three million, seven hundred fifty-five thousand, nine hundred twenty-one".