846378998 has 4 divisors (see below), whose sum is σ = 1269568500. Its totient is φ = 423189498.

The previous prime is 846378901. The next prime is 846379021. The reversal of 846378998 is 899873648.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 846378998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211594748 + ... + 211594751.

It is an arithmetic number, because the mean of its divisors is an integer number (317392125).

Almost surely, 2^846378998 is an apocalyptic number.

846378998 is a deficient number, since it is larger than the sum of its proper divisors (423189502).

846378998 is a wasteful number, since it uses less digits than its factorization.

846378998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423189501.

The product of its digits is 20901888, while the sum is 62.

The square root of 846378998 is about 29092.5935248131. The cubic root of 846378998 is about 945.9212009390.

The spelling of 846378998 in words is "eight hundred forty-six million, three hundred seventy-eight thousand, nine hundred ninety-eight".