1406289860 has 12 divisors (see below), whose sum is σ = 2953208748. Its totient is φ = 562515936.

The previous prime is 1406289853. The next prime is 1406289877. The reversal of 1406289860 is 689826041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1028998084 + 377291776 = 32078^2 + 19424^2 .

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, 35157227 + ... + 35157266.

It is an arithmetic number, because the mean of its divisors is an integer number (246100729).

Almost surely, 2^1406289860 is an apocalyptic number.

1406289860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406289860 is an abundant number, since it is smaller than the sum of its proper divisors (1546918888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1406289860 is a wasteful number, since it uses less digits than its factorization.

1406289860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70314502 (or 70314500 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1406289860 is about 37500.5314629006. The cubic root of 1406289860 is about 1120.3617719492.

The spelling of 1406289860 in words is "one billion, four hundred six million, two hundred eighty-nine thousand, eight hundred sixty".