3406618891 has 16 divisors (see below), whose sum is σ = 3766468608. Its totient is φ = 3061447200.

The previous prime is 3406618841. The next prime is 3406618903. The reversal of 3406618891 is 1988166043.

It is a cyclic number.

It is not a de Polignac number, because 3406618891 - 2²¹ = 3404521739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406618801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102106 + ... + 131296.

It is an arithmetic number, because the mean of its divisors is an integer number (235404288).

Almost surely, 2^3406618891 is an apocalyptic number.

3406618891 is a deficient number, since it is larger than the sum of its proper divisors (359849717).

3406618891 is a wasteful number, since it uses less digits than its factorization.

3406618891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29442.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 3406618891 is about 58366.2478749491. The cubic root of 3406618891 is about 1504.6697274924.

The spelling of 3406618891 in words is "three billion, four hundred six million, six hundred eighteen thousand, eight hundred ninety-one".