1398275346 has 16 divisors (see below), whose sum is σ = 3011670144. Its totient is φ = 430238544.

The previous prime is 1398275323. The next prime is 1398275369. The reversal of 1398275346 is 6435728931.

It is an interprime number because it is at equal distance from previous prime (1398275323) and next prime (1398275369).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1398275295 and 1398275304.

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, 8963226 + ... + 8963381.

It is an arithmetic number, because the mean of its divisors is an integer number (188229384).

Almost surely, 2^1398275346 is an apocalyptic number.

1398275346 is an abundant number, since it is smaller than the sum of its proper divisors (1613394798).

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

1398275346 is a wasteful number, since it uses less digits than its factorization.

1398275346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17926625.

The product of its digits is 1088640, while the sum is 48.

The square root of 1398275346 is about 37393.5201070988. The cubic root of 1398275346 is about 1118.2293839494.

The spelling of 1398275346 in words is "one billion, three hundred ninety-eight million, two hundred seventy-five thousand, three hundred forty-six".