1398002338 has 16 divisors (see below), whose sum is σ = 2151765504. Its totient is φ = 680804640.

The previous prime is 1398002329. The next prime is 1398002371. The reversal of 1398002338 is 8332008931.

It is a junction number, because it is equal to n+sod(n) for n = 1398002297 and 1398002306.

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, 35731 + ... + 63817.

It is an arithmetic number, because the mean of its divisors is an integer number (134485344).

Almost surely, 2^1398002338 is an apocalyptic number.

1398002338 is a deficient number, since it is larger than the sum of its proper divisors (753763166).

1398002338 is a wasteful number, since it uses less digits than its factorization.

1398002338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28737.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1398002338 is about 37389.8694568462. The cubic root of 1398002338 is about 1118.1566025192.

The spelling of 1398002338 in words is "one billion, three hundred ninety-eight million, two thousand, three hundred thirty-eight".