998490094 has 8 divisors (see below), whose sum is σ = 1711697328. Its totient is φ = 427924320.

The previous prime is 998490091. The next prime is 998490107. The reversal of 998490094 is 490094899.

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

It is a super-2 number, since 2×998490094² = 1993964935632257672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998490091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35660347 + ... + 35660374.

It is an arithmetic number, because the mean of its divisors is an integer number (213962166).

Almost surely, 2^998490094 is an apocalyptic number.

998490094 is a deficient number, since it is larger than the sum of its proper divisors (713207234).

998490094 is a wasteful number, since it uses less digits than its factorization.

998490094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71320730.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 998490094 is about 31598.8938730456. The cubic root of 998490094 is about 999.4964444744.

The spelling of 998490094 in words is "nine hundred ninety-eight million, four hundred ninety thousand, ninety-four".