83490042 has 8 divisors (see below), whose sum is σ = 166980096. Its totient is φ = 27830012.

The previous prime is 83490031. The next prime is 83490059. The reversal of 83490042 is 24009438.

It is a happy number.

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

83490042 is an admirable number.

It is a super-2 number, since 2×83490042² = 13941174226323528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83489991 and 83490009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6957498 + ... + 6957509.

It is an arithmetic number, because the mean of its divisors is an integer number (20872512).

Almost surely, 2^83490042 is an apocalyptic number.

83490042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83490042 is a wasteful number, since it uses less digits than its factorization.

83490042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915012.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 83490042 is about 9137.2885474850. The cubic root of 83490042 is about 437.0638561826.

The spelling of 83490042 in words is "eighty-three million, four hundred ninety thousand, forty-two".