499999320 has 48 divisors (see below), whose sum is σ = 1624998960. Its totient is φ = 133333056.

The previous prime is 499999319. The next prime is 499999321. The reversal of 499999320 is 23999994.

It is an interprime number because it is at equal distance from previous prime (499999319) and next prime (499999321).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499999321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694084 + ... + 694803.

It is an arithmetic number, because the mean of its divisors is an integer number (33854145).

Almost surely, 2^499999320 is an apocalyptic number.

499999320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499999320 is an abundant number, since it is smaller than the sum of its proper divisors (1124999640).

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

499999320 is a wasteful number, since it uses less digits than its factorization.

499999320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388904 (or 1388897 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 54.

The square root of 499999320 is about 22360.6645697305. The cubic root of 499999320 is about 793.7001661730.

It can be divided in two parts, 49999 and 9320, that added together give a cube (59319 = 39³).

The spelling of 499999320 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred twenty".