1306933998 has 16 divisors (see below), whose sum is σ = 2622385920. Its totient is φ = 434225016.

The previous prime is 1306933997. The next prime is 1306934003. The reversal of 1306933998 is 8993396031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306933998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306933997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352918 + ... + 356601.

It is an arithmetic number, because the mean of its divisors is an integer number (163899120).

Almost surely, 2^1306933998 is an apocalyptic number.

1306933998 is an abundant number, since it is smaller than the sum of its proper divisors (1315451922).

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

1306933998 is a wasteful number, since it uses less digits than its factorization.

1306933998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709831.

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 1306933998 is about 36151.5421247836. The cubic root of 1306933998 is about 1093.3298832638.

The spelling of 1306933998 in words is "one billion, three hundred six million, nine hundred thirty-three thousand, nine hundred ninety-eight".