499853970 has 128 divisors (see below), whose sum is σ = 1661921280. Its totient is φ = 103861440.

The previous prime is 499853933. The next prime is 499853983. The reversal of 499853970 is 79358994.

499853970 is a `hidden beast` number, since 499 + 85 + 3 + 9 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8769 + ... + 32811.

It is an arithmetic number, because the mean of its divisors is an integer number (12983760).

Almost surely, 2^499853970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499853970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830960640).

499853970 is an abundant number, since it is smaller than the sum of its proper divisors (1162067310).

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

499853970 is a wasteful number, since it uses less digits than its factorization.

499853970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24077 (or 24071 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 499853970 is about 22357.4142064775. The cubic root of 499853970 is about 793.6232490686.

The spelling of 499853970 in words is "four hundred ninety-nine million, eight hundred fifty-three thousand, nine hundred seventy".