1678974284 has 24 divisors (see below), whose sum is σ = 3165719088. Its totient is φ = 774544320.

The previous prime is 1678974257. The next prime is 1678974293. The reversal of 1678974284 is 4824798761.

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 7 ways as a sum of consecutive naturals, for example, 125234 + ... + 137990.

It is an arithmetic number, because the mean of its divisors is an integer number (131904962).

Almost surely, 2^1678974284 is an apocalyptic number.

It is an amenable number.

1678974284 is a deficient number, since it is larger than the sum of its proper divisors (1486744804).

1678974284 is a wasteful number, since it uses less digits than its factorization.

1678974284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305 (or 15303 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 56.

The square root of 1678974284 is about 40975.2886994100. The cubic root of 1678974284 is about 1188.5424057488.

The spelling of 1678974284 in words is "one billion, six hundred seventy-eight million, nine hundred seventy-four thousand, two hundred eighty-four".