9780239498 has 16 divisors (see below), whose sum is σ = 14773152384. Its totient is φ = 4855880400.

The previous prime is 9780239471. The next prime is 9780239503. The reversal of 9780239498 is 8949320879.

It is a super-3 number, since 3×9780239498³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133336 + ... + 1141932.

It is an arithmetic number, because the mean of its divisors is an integer number (923322024).

Almost surely, 2^9780239498 is an apocalyptic number.

9780239498 is a deficient number, since it is larger than the sum of its proper divisors (4992912886).

9780239498 is a wasteful number, since it uses less digits than its factorization.

9780239498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12517.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The square root of 9780239498 is about 98895.0933969932. The cubic root of 9780239498 is about 2138.5356606691.

The spelling of 9780239498 in words is "nine billion, seven hundred eighty million, two hundred thirty-nine thousand, four hundred ninety-eight".