4999942 has 8 divisors (see below), whose sum is σ = 7612056.
Its totient is φ = 2462592.
The previous prime is 4999933. The next prime is 4999949. The reversal of 4999942 is 2499994.
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 = 4999892 and 4999901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4999949) 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, 18523 + ... + 18790.
It is an arithmetic number, because the mean of its divisors is an integer number (951507).
Almost surely, 24999942 is an apocalyptic number.
4999942 is a deficient number, since it is larger than the sum of its proper divisors (2612114).
4999942 is a wasteful number, since it uses less digits than its factorization.
4999942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37382.
The product of its digits is 209952, while the sum is 46.
The square root of 4999942 is about 2236.0550082679.
The cubic root of 4999942 is about 170.9969334744.
The spelling of 4999942 in words is "four million, nine hundred ninety-nine thousand, nine hundred forty-two".