3761881 has 4 divisors (see below), whose sum is σ = 3883264. Its totient is φ = 3640500.

The previous prime is 3761861. The next prime is 3761893. The reversal of 3761881 is 1881673.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1881673 = 883 ⋅2131.

It is a cyclic number.

It is not a de Polignac number, because 3761881 - 2¹⁹ = 3237593 is a prime.

It is a super-2 number, since 2×3761881² = 28303497316322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3761801) 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, 60645 + ... + 60706.

It is an arithmetic number, because the mean of its divisors is an integer number (970816).

Almost surely, 2^3761881 is an apocalyptic number.

3761881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3761881 is a deficient number, since it is larger than the sum of its proper divisors (121383).

3761881 is a wasteful number, since it uses less digits than its factorization.

3761881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121382.

The product of its digits is 8064, while the sum is 34.

The square root of 3761881 is about 1939.5569081623. The cubic root of 3761881 is about 155.5255280098.

The spelling of 3761881 in words is "three million, seven hundred sixty-one thousand, eight hundred eighty-one".