1628341904 has 40 divisors (see below), whose sum is σ = 3607685760. Its totient is φ = 697459968.

The previous prime is 1628341901. The next prime is 1628341927. The reversal of 1628341904 is 4091438261.

It is not an unprimeable number, because it can be changed into a prime (1628341901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274037 + ... + 279915.

It is an arithmetic number, because the mean of its divisors is an integer number (90192144).

Almost surely, 2^1628341904 is an apocalyptic number.

1628341904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1628341904 is an abundant number, since it is smaller than the sum of its proper divisors (1979343856).

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

1628341904 is a wasteful number, since it uses less digits than its factorization.

1628341904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367 (or 8361 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1628341904 is about 40352.7186692545. The cubic root of 1628341904 is about 1176.4727340329.

The spelling of 1628341904 in words is "one billion, six hundred twenty-eight million, three hundred forty-one thousand, nine hundred four".