1298770446 has 16 divisors (see below), whose sum is σ = 2598332544. Its totient is φ = 432791544.

The previous prime is 1298770439. The next prime is 1298770469. The reversal of 1298770446 is 6440778921.

It is a junction number, because it is equal to n+sod(n) for n = 1298770395 and 1298770404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10476 + ... + 52031.

It is an arithmetic number, because the mean of its divisors is an integer number (162395784).

Almost surely, 2^1298770446 is an apocalyptic number.

1298770446 is an abundant number, since it is smaller than the sum of its proper divisors (1299562098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1298770446 is a wasteful number, since it uses less digits than its factorization.

1298770446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65975.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 1298770446 is about 36038.4578748869. The cubic root of 1298770446 is about 1091.0486908106.

The spelling of 1298770446 in words is "one billion, two hundred ninety-eight million, seven hundred seventy thousand, four hundred forty-six".