3753891 has 8 divisors (see below), whose sum is σ = 5561360. Its totient is φ = 2502576.

The previous prime is 3753877. The next prime is 3753913. The reversal of 3753891 is 1983573.

3753891 is a `hidden beast` number, since 37 + 538 + 91 = 666.

It is not a de Polignac number, because 3753891 - 2⁵ = 3753859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3753691) 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, 69490 + ... + 69543.

It is an arithmetic number, because the mean of its divisors is an integer number (695170).

Almost surely, 2^3753891 is an apocalyptic number.

3753891 is a deficient number, since it is larger than the sum of its proper divisors (1807469).

3753891 is a wasteful number, since it uses less digits than its factorization.

3753891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139042 (or 139036 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3753891 is about 1937.4960645121. The cubic root of 3753891 is about 155.4153411309.

The spelling of 3753891 in words is "three million, seven hundred fifty-three thousand, eight hundred ninety-one".