998946135 has 64 divisors (see below), whose sum is σ = 1945013760. Its totient is φ = 482423040.

The previous prime is 998946127. The next prime is 998946161. The reversal of 998946135 is 531649899.

It is not a de Polignac number, because 998946135 - 2³ = 998946127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 419067 + ... + 421443.

It is an arithmetic number, because the mean of its divisors is an integer number (30390840).

Almost surely, 2^998946135 is an apocalyptic number.

998946135 is a deficient number, since it is larger than the sum of its proper divisors (946067625).

998946135 is a wasteful number, since it uses less digits than its factorization.

998946135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2679 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 998946135 is about 31606.1091404811. The cubic root of 998946135 is about 999.6485881909.

The spelling of 998946135 in words is "nine hundred ninety-eight million, nine hundred forty-six thousand, one hundred thirty-five".