1408623806 has 4 divisors (see below), whose sum is σ = 2112935712. Its totient is φ = 704311902.

The previous prime is 1408623739. The next prime is 1408623809. The reversal of 1408623806 is 6083268041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6083268041 = 431 ⋅14114311.

It is a self number, because there is not a number n which added to its sum of digits gives 1408623806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408623809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352155950 + ... + 352155953.

It is an arithmetic number, because the mean of its divisors is an integer number (528233928).

Almost surely, 2^1408623806 is an apocalyptic number.

1408623806 is a deficient number, since it is larger than the sum of its proper divisors (704311906).

1408623806 is an equidigital number, since it uses as much as digits as its factorization.

1408623806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704311905.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1408623806 is about 37531.6374009981. The cubic root of 1408623806 is about 1120.9812313979.

The spelling of 1408623806 in words is "one billion, four hundred eight million, six hundred twenty-three thousand, eight hundred six".