8378998 has 4 divisors (see below), whose sum is σ = 12568500. Its totient is φ = 4189498.

The previous prime is 8378989. The next prime is 8379017. The reversal of 8378998 is 8998738.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 2094748 + ... + 2094751.

It is an arithmetic number, because the mean of its divisors is an integer number (3142125).

Almost surely, 2^8378998 is an apocalyptic number.

8378998 is a deficient number, since it is larger than the sum of its proper divisors (4189502).

8378998 is a wasteful number, since it uses less digits than its factorization.

8378998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189501.

The product of its digits is 870912, while the sum is 52.

The square root of 8378998 is about 2894.6498924740. The cubic root of 8378998 is about 203.1097144474.

The spelling of 8378998 in words is "eight million, three hundred seventy-eight thousand, nine hundred ninety-eight".