3428632891 has 8 divisors (see below), whose sum is σ = 3562992000. Its totient is φ = 3295758720.

The previous prime is 3428632877. The next prime is 3428632919. The reversal of 3428632891 is 1982368243.

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

It is a cyclic number.

It is not a de Polignac number, because 3428632891 - 2⁷ = 3428632763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3428632871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366526 + ... + 375763.

It is an arithmetic number, because the mean of its divisors is an integer number (445374000).

Almost surely, 2^3428632891 is an apocalyptic number.

3428632891 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3428632891 is a deficient number, since it is larger than the sum of its proper divisors (134359109).

3428632891 is a wasteful number, since it uses less digits than its factorization.

3428632891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742469.

The product of its digits is 497664, while the sum is 46.

The square root of 3428632891 is about 58554.5292099595. The cubic root of 3428632891 is about 1507.9038926513.

The spelling of 3428632891 in words is "three billion, four hundred twenty-eight million, six hundred thirty-two thousand, eight hundred ninety-one".