83899958 has 8 divisors (see below), whose sum is σ = 130189680. Its totient is φ = 40503400.

The previous prime is 83899957. The next prime is 83899967. The reversal of 83899958 is 85999838.

It is a happy number.

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 = 83899897 and 83899906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83899957) 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, 723218 + ... + 723333.

It is an arithmetic number, because the mean of its divisors is an integer number (16273710).

Almost surely, 2^83899958 is an apocalyptic number.

83899958 is a deficient number, since it is larger than the sum of its proper divisors (46289722).

83899958 is a wasteful number, since it uses less digits than its factorization.

83899958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446582.

The product of its digits is 5598720, while the sum is 59.

The square root of 83899958 is about 9159.6920253904. The cubic root of 83899958 is about 437.7779814866. Note that the first 3 decimals are identical.

The spelling of 83899958 in words is "eighty-three million, eight hundred ninety-nine thousand, nine hundred fifty-eight".