1679417428 has 18 divisors (see below), whose sum is σ = 3165612954. Its totient is φ = 774979344.

The previous prime is 1679417423. The next prime is 1679417431. The reversal of 1679417428 is 8247149761.

It can be written as a sum of positive squares in only one way, i.e., 1162673604 + 516743824 = 34098^2 + 22732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679417423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292675 + ... + 298357.

Almost surely, 2^1679417428 is an apocalyptic number.

It is an amenable number.

1679417428 is a deficient number, since it is larger than the sum of its proper divisors (1486195526).

1679417428 is an frugal number, since it uses more digits than its factorization.

1679417428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383 (or 5698 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 1679417428 is about 40980.6957969237. The cubic root of 1679417428 is about 1188.6469634559.

The spelling of 1679417428 in words is "one billion, six hundred seventy-nine million, four hundred seventeen thousand, four hundred twenty-eight".