499993340 has 96 divisors (see below), whose sum is σ = 1318464000. Its totient is φ = 154725120.

The previous prime is 499993339. The next prime is 499993349. The reversal of 499993340 is 43399994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499993349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228371 + ... + 230549.

It is an arithmetic number, because the mean of its divisors is an integer number (13734000).

Almost surely, 2^499993340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499993340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659232000).

499993340 is an abundant number, since it is smaller than the sum of its proper divisors (818470660).

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

499993340 is a wasteful number, since it uses less digits than its factorization.

499993340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 499993340 is about 22360.5308523747. The cubic root of 499993340 is about 793.6970019381.

The spelling of 499993340 in words is "four hundred ninety-nine million, nine hundred ninety-three thousand, three hundred forty".