499011436 has 48 divisors (see below), whose sum is σ = 1092026880. Its totient is φ = 193835520.

The previous prime is 499011397. The next prime is 499011437. The reversal of 499011436 is 634110994.

499011436 is a nontrivial binomial coefficient, being equal to C(31592, 2).

It is a junction number, because it is equal to n+sod(n) for n = 499011395 and 499011404.

It is not an unprimeable number, because it can be changed into a prime (499011437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108316 + ... + 112828.

It is an arithmetic number, because the mean of its divisors is an integer number (22750560).

Almost surely, 2^499011436 is an apocalyptic number.

499011436 is the 31591-st triangular number and also the 15796-th hexagonal number.

499011436 is the 10531-st centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499011436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546013440).

499011436 is an abundant number, since it is smaller than the sum of its proper divisors (593015444).

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

499011436 is a wasteful number, since it uses less digits than its factorization.

499011436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894 (or 4892 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 499011436 is about 22338.5638750570. The cubic root of 499011436 is about 793.1770983601.

The spelling of 499011436 in words is "four hundred ninety-nine million, eleven thousand, four hundred thirty-six".