1406871886 has 16 divisors (see below), whose sum is σ = 2416587264. Its totient is φ = 601743384.

The previous prime is 1406871881. The next prime is 1406871901. The reversal of 1406871886 is 6881786041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406871881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92850 + ... + 106933.

It is an arithmetic number, because the mean of its divisors is an integer number (151036704).

Almost surely, 2^1406871886 is an apocalyptic number.

1406871886 is a deficient number, since it is larger than the sum of its proper divisors (1009715378).

1406871886 is a wasteful number, since it uses less digits than its factorization.

1406871886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200295.

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 1406871886 is about 37508.2908968137. The cubic root of 1406871886 is about 1120.5163132854.

The spelling of 1406871886 in words is "one billion, four hundred six million, eight hundred seventy-one thousand, eight hundred eighty-six".