499433949 has 48 divisors (see below), whose sum is σ = 852014592. Its totient is φ = 275988384.

The previous prime is 499433947. The next prime is 499433993. The reversal of 499433949 is 949334994.

It is not a de Polignac number, because 499433949 - 2¹ = 499433947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499433895 and 499433904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499433947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289002 + ... + 290724.

It is an arithmetic number, because the mean of its divisors is an integer number (17750304).

Almost surely, 2^499433949 is an apocalyptic number.

It is an amenable number.

499433949 is a deficient number, since it is larger than the sum of its proper divisors (352580643).

499433949 is a wasteful number, since it uses less digits than its factorization.

499433949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1883 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 499433949 is about 22348.0189054869. The cubic root of 499433949 is about 793.4008962342.

The spelling of 499433949 in words is "four hundred ninety-nine million, four hundred thirty-three thousand, nine hundred forty-nine".