3774891 has 4 divisors (see below), whose sum is σ = 5033192. Its totient is φ = 2516592.

The previous prime is 3774889. The next prime is 3774893. The reversal of 3774891 is 1984773.

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

It is an interprime number because it is at equal distance from previous prime (3774889) and next prime (3774893).

It is not a de Polignac number, because 3774891 - 2¹ = 3774889 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 7³ + 7⁵ + 4⁸ + 8⁷ + 9³ + 1 .

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3774893) 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, 629146 + ... + 629151.

It is an arithmetic number, because the mean of its divisors is an integer number (1258298).

Almost surely, 2^3774891 is an apocalyptic number.

3774891 is a deficient number, since it is larger than the sum of its proper divisors (1258301).

3774891 is a wasteful number, since it uses less digits than its factorization.

3774891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258300.

The product of its digits is 42336, while the sum is 39.

The square root of 3774891 is about 1942.9078722369. The cubic root of 3774891 is about 155.7046103222.

The spelling of 3774891 in words is "three million, seven hundred seventy-four thousand, eight hundred ninety-one".