1406664032 has 12 divisors (see below), whose sum is σ = 2769369876. Its totient is φ = 703332000.

The previous prime is 1406664023. The next prime is 1406664037. The reversal of 1406664032 is 2304666041.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 43958251 = 1406664032 / (1 + 4 + 0 + 6 + 6 + 6 + 4 + 0 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1406664032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406664037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21979094 + ... + 21979157.

It is an arithmetic number, because the mean of its divisors is an integer number (230780823).

Almost surely, 2^1406664032 is an apocalyptic number.

It is an amenable number.

1406664032 is a deficient number, since it is larger than the sum of its proper divisors (1362705844).

1406664032 is an equidigital number, since it uses as much as digits as its factorization.

1406664032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43958261 (or 43958253 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1406664032 is about 37505.5200203917. The cubic root of 1406664032 is about 1120.4611281448.

The spelling of 1406664032 in words is "one billion, four hundred six million, six hundred sixty-four thousand, thirty-two".