1386707884 has 12 divisors (see below), whose sum is σ = 2569488264. Its totient is φ = 652568384.

The previous prime is 1386707879. The next prime is 1386707891. The reversal of 1386707884 is 4887076831.

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, 10196314 + ... + 10196449.

It is an arithmetic number, because the mean of its divisors is an integer number (214124022).

Almost surely, 2^1386707884 is an apocalyptic number.

It is an amenable number.

1386707884 is a deficient number, since it is larger than the sum of its proper divisors (1182780380).

1386707884 is a wasteful number, since it uses less digits than its factorization.

1386707884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20392784 (or 20392782 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The square root of 1386707884 is about 37238.5268774155. The cubic root of 1386707884 is about 1115.1372628913.

The spelling of 1386707884 in words is "one billion, three hundred eighty-six million, seven hundred seven thousand, eight hundred eighty-four".