998350679 has 2 divisors, whose sum is σ = 998350680. Its totient is φ = 998350678.

The previous prime is 998350663. The next prime is 998350693. The reversal of 998350679 is 976053899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998350679 - 2⁴ = 998350663 is a prime.

It is a super-2 number, since 2×998350679² = 1993408156519522082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998350609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499175339 + 499175340.

It is an arithmetic number, because the mean of its divisors is an integer number (499175340).

Almost surely, 2^998350679 is an apocalyptic number.

998350679 is a deficient number, since it is larger than the sum of its proper divisors (1).

998350679 is an equidigital number, since it uses as much as digits as its factorization.

998350679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 998350679 is about 31596.6877852727. The cubic root of 998350679 is about 999.4499238050.

The spelling of 998350679 in words is "nine hundred ninety-eight million, three hundred fifty thousand, six hundred seventy-nine".