499797000 has 256 divisors, whose sum is σ = 1758931200. Its totient is φ = 131270400.

The previous prime is 499796993. The next prime is 499797007. The reversal of 499797000 is 797994.

It is an interprime number because it is at equal distance from previous prime (499796993) and next prime (499797007).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (499797007) 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, 2888914 + ... + 2889086.

It is an arithmetic number, because the mean of its divisors is an integer number (6870825).

Almost surely, 2^499797000 is an apocalyptic number.

499797000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499797000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879465600).

499797000 is an abundant number, since it is smaller than the sum of its proper divisors (1259134200).

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

499797000 is a wasteful number, since it uses less digits than its factorization.

499797000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 499797000 is about 22356.1400961794. The cubic root of 499797000 is about 793.5930973063.

The spelling of 499797000 in words is "four hundred ninety-nine million, seven hundred ninety-seven thousand".