78298 has 8 divisors (see below), whose sum is σ = 128160. Its totient is φ = 35580.

The previous prime is 78283. The next prime is 78301. The reversal of 78298 is 89287.

It is a happy number.

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

It is a super-2 number, since 2×78298² = 12261153608, which contains 22 as substring.

It is an unprimeable number.

78298 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (16020).

2⁷⁸²⁹⁸ is an apocalyptic number.

78298 is a deficient number, since it is larger than the sum of its proper divisors (49862).

78298 is a wasteful number, since it uses less digits than its factorization.

78298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572.

The product of its digits is 8064, while the sum is 34.

The square root of 78298 is about 279.8177978614. The cubic root of 78298 is about 42.7809301600.

It can be divided in two parts, 782 and 98, that multiplied together give a triangular number (76636 = T₃₉₁).

The spelling of 78298 in words is "seventy-eight thousand, two hundred ninety-eight".