1408784628 has 24 divisors (see below), whose sum is σ = 3480527232. Its totient is φ = 441971584.

The previous prime is 1408784623. The next prime is 1408784651. The reversal of 1408784628 is 8264878041.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408784623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3452700 + ... + 3453107.

It is an arithmetic number, because the mean of its divisors is an integer number (145021968).

Almost surely, 2^1408784628 is an apocalyptic number.

It is an amenable number.

1408784628 is an abundant number, since it is smaller than the sum of its proper divisors (2071742604).

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

1408784628 is a wasteful number, since it uses less digits than its factorization.

1408784628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905831 (or 6905829 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 1408784628 is about 37533.7798256451. The cubic root of 1408784628 is about 1121.0238904297.

The spelling of 1408784628 in words is "one billion, four hundred eight million, seven hundred eighty-four thousand, six hundred twenty-eight".