499999395 has 64 divisors (see below), whose sum is σ = 947552256. Its totient is φ = 220402560.

The previous prime is 499999391. The next prime is 499999397. The reversal of 499999395 is 593999994.

It is a happy number.

It is not a de Polignac number, because 499999395 - 2² = 499999391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499999391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 349672 + ... + 351098.

It is an arithmetic number, because the mean of its divisors is an integer number (14805504).

Almost surely, 2^499999395 is an apocalyptic number.

499999395 is a deficient number, since it is larger than the sum of its proper divisors (447552861).

499999395 is a wasteful number, since it uses less digits than its factorization.

499999395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 31886460, while the sum is 66.

The square root of 499999395 is about 22360.6662467825. Note that the first 3 decimals coincide. The cubic root of 499999395 is about 793.7002058581.

The spelling of 499999395 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred ninety-five".