1928346988 has 6 divisors (see below), whose sum is σ = 3374607236. Its totient is φ = 964173492.

The previous prime is 1928346961. The next prime is 1928346991. The reversal of 1928346988 is 8896438291.

It is a super-2 number, since 2×1928346988² = 7437044212257344288, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 241043370 + ... + 241043377.

Almost surely, 2^1928346988 is an apocalyptic number.

It is an amenable number.

1928346988 is a deficient number, since it is larger than the sum of its proper divisors (1446260248).

1928346988 is a wasteful number, since it uses less digits than its factorization.

1928346988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482086751 (or 482086749 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 1928346988 is about 43912.9478400164. The cubic root of 1928346988 is about 1244.6915119839.

The spelling of 1928346988 in words is "one billion, nine hundred twenty-eight million, three hundred forty-six thousand, nine hundred eighty-eight".