998741264 has 10 divisors (see below), whose sum is σ = 1935061230. Its totient is φ = 499370624.

The previous prime is 998741257. The next prime is 998741267. The reversal of 998741264 is 462147899.

It can be written as a sum of positive squares in only one way, i.e., 904806400 + 93934864 = 30080^2 + 9692^2 .

It is a super-2 number, since 2×998741264² = 1994968224832635392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (998741267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31210649 + ... + 31210680.

It is an arithmetic number, because the mean of its divisors is an integer number (193506123).

Almost surely, 2^998741264 is an apocalyptic number.

It is an amenable number.

998741264 is a deficient number, since it is larger than the sum of its proper divisors (936319966).

998741264 is a wasteful number, since it uses less digits than its factorization.

998741264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62421337 (or 62421331 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 998741264 is about 31602.8679711193. The cubic root of 998741264 is about 999.5802451639.

The spelling of 998741264 in words is "nine hundred ninety-eight million, seven hundred forty-one thousand, two hundred sixty-four".