3748091 has 4 divisors (see below), whose sum is σ = 3752784. Its totient is φ = 3743400.

The previous prime is 3748079. The next prime is 3748099. The reversal of 3748091 is 1908473.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3748091 - 2⁶ = 3748027 is a prime.

It is a super-2 number, since 2×3748091² = 28096372288562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 815 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (938196).

Almost surely, 2^3748091 is an apocalyptic number.

3748091 is a deficient number, since it is larger than the sum of its proper divisors (4693).

3748091 is a wasteful number, since it uses less digits than its factorization.

3748091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3748091 is about 1935.9987086773. The cubic root of 3748091 is about 155.3352576813.

The spelling of 3748091 in words is "three million, seven hundred forty-eight thousand, ninety-one".