1406401471 has 2 divisors, whose sum is σ = 1406401472. Its totient is φ = 1406401470.

The previous prime is 1406401411. The next prime is 1406401511. The reversal of 1406401471 is 1741046041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1406401471 - 2⁹ = 1406400959 is a prime.

It is a super-3 number, since 3×1406401471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406401411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703200735 + 703200736.

It is an arithmetic number, because the mean of its divisors is an integer number (703200736).

Almost surely, 2^1406401471 is an apocalyptic number.

1406401471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406401471 is an equidigital number, since it uses as much as digits as its factorization.

1406401471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1406401471 is about 37502.0195589518. The cubic root of 1406401471 is about 1120.3914105497.

The spelling of 1406401471 in words is "one billion, four hundred six million, four hundred one thousand, four hundred seventy-one".