298609680 has 80 divisors (see below), whose sum is σ = 929565504. Its totient is φ = 79296000.

The previous prime is 298609657. The next prime is 298609691. The reversal of 298609680 is 86906892.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57762 + ... + 62718.

Almost surely, 2^298609680 is an apocalyptic number.

298609680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298609680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464782752).

298609680 is an abundant number, since it is smaller than the sum of its proper divisors (630955824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298609680 is a wasteful number, since it uses less digits than its factorization.

298609680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224 (or 5218 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 298609680 is about 17280.3263858065. The cubic root of 298609680 is about 668.3972083955.

The spelling of 298609680 in words is "two hundred ninety-eight million, six hundred nine thousand, six hundred eighty".