3646878134 has 8 divisors (see below), whose sum is σ = 5489785368. Its totient is φ = 1816949680.

The previous prime is 3646878133. The next prime is 3646878149. The reversal of 3646878134 is 4318786463.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646878133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3243992 + ... + 3245115.

It is an arithmetic number, because the mean of its divisors is an integer number (686223171).

Almost surely, 2^3646878134 is an apocalyptic number.

3646878134 is a deficient number, since it is larger than the sum of its proper divisors (1842907234).

3646878134 is a wasteful number, since it uses less digits than its factorization.

3646878134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489390.

The product of its digits is 2322432, while the sum is 50.

The square root of 3646878134 is about 60389.3875941792. The cubic root of 3646878134 is about 1539.2426328751.

The spelling of 3646878134 in words is "three billion, six hundred forty-six million, eight hundred seventy-eight thousand, one hundred thirty-four".