998759355 has 64 divisors (see below), whose sum is σ = 1779466752. Its totient is φ = 474301440.

The previous prime is 998759351. The next prime is 998759381. The reversal of 998759355 is 553957899.

It is a happy number.

It is not a de Polignac number, because 998759355 - 2² = 998759351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998759351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3408589 + ... + 3408881.

It is an arithmetic number, because the mean of its divisors is an integer number (27804168).

Almost surely, 2^998759355 is an apocalyptic number.

998759355 is a deficient number, since it is larger than the sum of its proper divisors (780707397).

998759355 is a wasteful number, since it uses less digits than its factorization.

998759355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 15309000, while the sum is 60.

The square root of 998759355 is about 31603.1541938459. The cubic root of 998759355 is about 999.5862805265.

The spelling of 998759355 in words is "nine hundred ninety-eight million, seven hundred fifty-nine thousand, three hundred fifty-five".