1379828930 has 8 divisors (see below), whose sum is σ = 2483692092. Its totient is φ = 551931568.

The previous prime is 1379828927. The next prime is 1379828951. The reversal of 1379828930 is 398289731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1361536201 + 18292729 = 36899^2 + 4277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68991437 + ... + 68991456.

Almost surely, 2^1379828930 is an apocalyptic number.

1379828930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1379828930 is a deficient number, since it is larger than the sum of its proper divisors (1103863162).

1379828930 is a wasteful number, since it uses less digits than its factorization.

1379828930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137982900.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1379828930 is about 37146.0486458520. The cubic root of 1379828930 is about 1113.2902751663.

The spelling of 1379828930 in words is "one billion, three hundred seventy-nine million, eight hundred twenty-eight thousand, nine hundred thirty".