1395687806 has 16 divisors (see below), whose sum is σ = 2155845888. Its totient is φ = 677251200.

The previous prime is 1395687793. The next prime is 1395687827. The reversal of 1395687806 is 6087865931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28895 + ... + 60218.

It is an arithmetic number, because the mean of its divisors is an integer number (134740368).

Almost surely, 2^1395687806 is an apocalyptic number.

1395687806 is a deficient number, since it is larger than the sum of its proper divisors (760158082).

1395687806 is a wasteful number, since it uses less digits than its factorization.

1395687806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89347.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 1395687806 is about 37358.9053105147. The cubic root of 1395687806 is about 1117.5391884854.

The spelling of 1395687806 in words is "one billion, three hundred ninety-five million, six hundred eighty-seven thousand, eight hundred six".