998744734 has 8 divisors (see below), whose sum is σ = 1613356920. Its totient is φ = 460959096.

The previous prime is 998744723. The next prime is 998744807. The reversal of 998744734 is 437447899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19206604 + ... + 19206655.

It is an arithmetic number, because the mean of its divisors is an integer number (201669615).

Almost surely, 2^998744734 is an apocalyptic number.

998744734 is a deficient number, since it is larger than the sum of its proper divisors (614612186).

998744734 is a wasteful number, since it uses less digits than its factorization.

998744734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38413274.

The product of its digits is 6096384, while the sum is 55.

The square root of 998744734 is about 31602.9228711523. The cubic root of 998744734 is about 999.5814028008.

The spelling of 998744734 in words is "nine hundred ninety-eight million, seven hundred forty-four thousand, seven hundred thirty-four".