499999146 has 8 divisors (see below), whose sum is σ = 999998304. Its totient is φ = 166666380.

The previous prime is 499999133. The next prime is 499999153. The reversal of 499999146 is 641999994.

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

499999146 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 499999146.

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, 41666590 + ... + 41666601.

It is an arithmetic number, because the mean of its divisors is an integer number (124999788).

Almost surely, 2^499999146 is an apocalyptic number.

499999146 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.

499999146 is a wasteful number, since it uses less digits than its factorization.

499999146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83333196.

The product of its digits is 5668704, while the sum is 60.

The square root of 499999146 is about 22360.6606789692. The cubic root of 499999146 is about 793.7000741037.

The spelling of 499999146 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, one hundred forty-six".