3405996687 has 8 divisors (see below), whose sum is σ = 4585419904. Its totient is φ = 2248618968.

The previous prime is 3405996683. The next prime is 3405996689. The reversal of 3405996687 is 7866995043.

It is a happy number.

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

It is not a de Polignac number, because 3405996687 - 2² = 3405996683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405996683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5511013 + ... + 5511630.

It is an arithmetic number, because the mean of its divisors is an integer number (573177488).

Almost surely, 2^3405996687 is an apocalyptic number.

3405996687 is a deficient number, since it is larger than the sum of its proper divisors (1179423217).

3405996687 is a wasteful number, since it uses less digits than its factorization.

3405996687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022749.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The square root of 3405996687 is about 58360.9174619454. The cubic root of 3405996687 is about 1504.5781148057.

The spelling of 3405996687 in words is "three billion, four hundred five million, nine hundred ninety-six thousand, six hundred eighty-seven".