3428386881 has 4 divisors (see below), whose sum is σ = 4571182512. Its totient is φ = 2285591252.

The previous prime is 3428386823. The next prime is 3428386883. The reversal of 3428386881 is 1886838243.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3428386881 - 2⁹ = 3428386369 is a prime.

It is a super-2 number, since 2×3428386881² = 23507673211625816322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3428386883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571397811 + ... + 571397816.

It is an arithmetic number, because the mean of its divisors is an integer number (1142795628).

Almost surely, 2^3428386881 is an apocalyptic number.

It is an amenable number.

3428386881 is a deficient number, since it is larger than the sum of its proper divisors (1142795631).

3428386881 is a wasteful number, since it uses less digits than its factorization.

3428386881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142795630.

The product of its digits is 1769472, while the sum is 51.

The square root of 3428386881 is about 58552.4284808068. The cubic root of 3428386881 is about 1507.8678269344.

The spelling of 3428386881 in words is "three billion, four hundred twenty-eight million, three hundred eighty-six thousand, eight hundred eighty-one".