1398830446 has 16 divisors (see below), whose sum is σ = 2263361184. Its totient is φ = 644553504.

The previous prime is 1398830443. The next prime is 1398830471. The reversal of 1398830446 is 6440388931.

It is a junction number, because it is equal to n+sod(n) for n = 1398830396 and 1398830405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398830441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27946 + ... + 59821.

It is an arithmetic number, because the mean of its divisors is an integer number (141460074).

Almost surely, 2^1398830446 is an apocalyptic number.

1398830446 is a deficient number, since it is larger than the sum of its proper divisors (864530738).

1398830446 is a wasteful number, since it uses less digits than its factorization.

1398830446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88395.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 1398830446 is about 37400.9417795862. The cubic root of 1398830446 is about 1118.3773393121.

The spelling of 1398830446 in words is "one billion, three hundred ninety-eight million, eight hundred thirty thousand, four hundred forty-six".