1398975846 has 64 divisors (see below), whose sum is σ = 2971558656. Its totient is φ = 438480000.

The previous prime is 1398975827. The next prime is 1398975857. The reversal of 1398975846 is 6485798931.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1398975846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 963421 + ... + 964871.

It is an arithmetic number, because the mean of its divisors is an integer number (46430604).

Almost surely, 2^1398975846 is an apocalyptic number.

1398975846 is an abundant number, since it is smaller than the sum of its proper divisors (1572582810).

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

1398975846 is a wasteful number, since it uses less digits than its factorization.

1398975846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637.

The product of its digits is 13063680, while the sum is 60.

The square root of 1398975846 is about 37402.8855303973. The cubic root of 1398975846 is about 1118.4160874992.

The spelling of 1398975846 in words is "one billion, three hundred ninety-eight million, nine hundred seventy-five thousand, eight hundred forty-six".