3698378986 has 8 divisors (see below), whose sum is σ = 5562054144. Its totient is φ = 1844360940.

The previous prime is 3698378941. The next prime is 3698379007. The reversal of 3698378986 is 6898738963.

3698378986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413320 + ... + 2414851.

It is an arithmetic number, because the mean of its divisors is an integer number (695256768).

Almost surely, 2^3698378986 is an apocalyptic number.

3698378986 is a deficient number, since it is larger than the sum of its proper divisors (1863675158).

3698378986 is a wasteful number, since it uses less digits than its factorization.

3698378986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828556.

The product of its digits is 94058496, while the sum is 67.

The square root of 3698378986 is about 60814.2991902398. The cubic root of 3698378986 is about 1546.4544677566.

The spelling of 3698378986 in words is "three billion, six hundred ninety-eight million, three hundred seventy-eight thousand, nine hundred eighty-six".