998293078 has 16 divisors (see below), whose sum is σ = 1542513024. Its totient is φ = 484202880.

The previous prime is 998293073. The next prime is 998293103. The reversal of 998293078 is 870392899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998293073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4923 + ... + 44953.

It is an arithmetic number, because the mean of its divisors is an integer number (96407064).

Almost surely, 2^998293078 is an apocalyptic number.

998293078 is a deficient number, since it is larger than the sum of its proper divisors (544219946).

998293078 is a wasteful number, since it uses less digits than its factorization.

998293078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40407.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 998293078 is about 31595.7762683559. The cubic root of 998293078 is about 999.4307019612.

The spelling of 998293078 in words is "nine hundred ninety-eight million, two hundred ninety-three thousand, seventy-eight".