1398489296 has 40 divisors (see below), whose sum is σ = 2786488320. Its totient is φ = 679446144.

The previous prime is 1398489283. The next prime is 1398489317. The reversal of 1398489296 is 6929848931.

It is a super-2 number, since 2×1398489296² = 3911544622053151232, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 756245 + ... + 758091.

It is an arithmetic number, because the mean of its divisors is an integer number (69662208).

Almost surely, 2^1398489296 is an apocalyptic number.

1398489296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1398489296 is a deficient number, since it is larger than the sum of its proper divisors (1387999024).

1398489296 is a wasteful number, since it uses less digits than its factorization.

1398489296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171 (or 3165 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The square root of 1398489296 is about 37396.3807874505. The cubic root of 1398489296 is about 1118.2864144372.

The spelling of 1398489296 in words is "one billion, three hundred ninety-eight million, four hundred eighty-nine thousand, two hundred ninety-six".