984986942 has 8 divisors (see below), whose sum is σ = 1555242600. Its totient is φ = 466572744.

The previous prime is 984986921. The next prime is 984986969. The reversal of 984986942 is 249689489.

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

It is a super-2 number, since 2×984986942² = 1940398551821022728, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 12960317 + ... + 12960392.

It is an arithmetic number, because the mean of its divisors is an integer number (194405325).

Almost surely, 2^984986942 is an apocalyptic number.

984986942 is a deficient number, since it is larger than the sum of its proper divisors (570255658).

984986942 is a wasteful number, since it uses less digits than its factorization.

984986942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25920730.

The product of its digits is 8957952, while the sum is 59.

The square root of 984986942 is about 31384.5016210231. The cubic root of 984986942 is about 994.9703927959.

The spelling of 984986942 in words is "nine hundred eighty-four million, nine hundred eighty-six thousand, nine hundred forty-two".