1627923428 has 6 divisors (see below), whose sum is σ = 2848866006. Its totient is φ = 813961712.

The previous prime is 1627923419. The next prime is 1627923467. The reversal of 1627923428 is 8243297261.

It can be written as a sum of positive squares in only one way, i.e., 1613468224 + 14455204 = 40168^2 + 3802^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 203490425 + ... + 203490432.

It is an arithmetic number, because the mean of its divisors is an integer number (474811001).

Almost surely, 2^1627923428 is an apocalyptic number.

It is an amenable number.

1627923428 is a deficient number, since it is larger than the sum of its proper divisors (1220942578).

1627923428 is a wasteful number, since it uses less digits than its factorization.

1627923428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406980861 (or 406980859 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 1627923428 is about 40347.5331092249. The cubic root of 1627923428 is about 1176.3719427958.

The spelling of 1627923428 in words is "one billion, six hundred twenty-seven million, nine hundred twenty-three thousand, four hundred twenty-eight".