998970265 has 16 divisors (see below), whose sum is σ = 1213920000. Its totient is φ = 789098112.

The previous prime is 998970263. The next prime is 998970299. The reversal of 998970265 is 562079899.

It is a cyclic number.

It is not a de Polignac number, because 998970265 - 2¹ = 998970263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998970263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498736 + ... + 500734.

It is an arithmetic number, because the mean of its divisors is an integer number (75870000).

Almost surely, 2^998970265 is an apocalyptic number.

998970265 is the 19990-th heptagonal number.

It is an amenable number.

998970265 is a deficient number, since it is larger than the sum of its proper divisors (214949735).

998970265 is a wasteful number, since it uses less digits than its factorization.

998970265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 998970265 is about 31606.4908681745. The cubic root of 998970265 is about 999.6566371154.

The spelling of 998970265 in words is "nine hundred ninety-eight million, nine hundred seventy thousand, two hundred sixty-five".