3750891 has 4 divisors (see below), whose sum is σ = 5001192. Its totient is φ = 2500592.

The previous prime is 3750883. The next prime is 3750917. The reversal of 3750891 is 1980573.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3750891 - 2³ = 3750883 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3755891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625146 + ... + 625151.

It is an arithmetic number, because the mean of its divisors is an integer number (1250298).

Almost surely, 2^3750891 is an apocalyptic number.

3750891 is a deficient number, since it is larger than the sum of its proper divisors (1250301).

3750891 is a wasteful number, since it uses less digits than its factorization.

3750891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250300.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 3750891 is about 1936.7217146508. The cubic root of 3750891 is about 155.3739289640.

The spelling of 3750891 in words is "three million, seven hundred fifty thousand, eight hundred ninety-one".