3451881 has 8 divisors (see below), whose sum is σ = 4751104. Its totient is φ = 2226960.

The previous prime is 3451873. The next prime is 3451897. The reversal of 3451881 is 1881543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3451881 - 2³ = 3451873 is a prime.

It is a super-2 number, since 2×3451881² = 23830964876322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3451871) 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 7 ways as a sum of consecutive naturals, for example, 18466 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (593888).

Almost surely, 2^3451881 is an apocalyptic number.

3451881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3451881 is a deficient number, since it is larger than the sum of its proper divisors (1299223).

3451881 is a wasteful number, since it uses less digits than its factorization.

3451881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37151.

The product of its digits is 3840, while the sum is 30.

The square root of 3451881 is about 1857.9238412809. The cubic root of 3451881 is about 151.1304371228.

It can be divided in two parts, 34 and 51881, that added together give a palindrome (51915).

The spelling of 3451881 in words is "three million, four hundred fifty-one thousand, eight hundred eighty-one".