984920042 has 8 divisors (see below), whose sum is σ = 1477817796. Its totient is φ = 492314112.

The previous prime is 984920029. The next prime is 984920051. The reversal of 984920042 is 240029489.

It can be written as a sum of positive squares in 2 ways, for example, as 984767161 + 152881 = 31381^2 + 391^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 984919978 and 984920005.

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 in 3 ways as a sum of consecutive naturals, for example, 64313 + ... + 78140.

Almost surely, 2^984920042 is an apocalyptic number.

984920042 is a deficient number, since it is larger than the sum of its proper divisors (492897754).

984920042 is a wasteful number, since it uses less digits than its factorization.

984920042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145912.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 984920042 is about 31383.4357902381. The cubic root of 984920042 is about 994.9478662617.

The spelling of 984920042 in words is "nine hundred eighty-four million, nine hundred twenty thousand, forty-two".