1406885801 has 2 divisors, whose sum is σ = 1406885802. Its totient is φ = 1406885800.

The previous prime is 1406885789. The next prime is 1406885819. The reversal of 1406885801 is 1085886041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1380865600 + 26020201 = 37160^2 + 5101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406885801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1406885401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703442900 + 703442901.

It is an arithmetic number, because the mean of its divisors is an integer number (703442901).

Almost surely, 2^1406885801 is an apocalyptic number.

It is an amenable number.

1406885801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406885801 is an equidigital number, since it uses as much as digits as its factorization.

1406885801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 1406885801 is about 37508.4763886778. The cubic root of 1406885801 is about 1120.5200075173.

The spelling of 1406885801 in words is "one billion, four hundred six million, eight hundred eighty-five thousand, eight hundred one".