499016889 has 64 divisors (see below), whose sum is σ = 889159680. Its totient is φ = 270578880.

The previous prime is 499016887. The next prime is 499016923. The reversal of 499016889 is 988610994.

It is not a de Polignac number, because 499016889 - 2¹ = 499016887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499016887) 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, 309724 + ... + 311330.

It is an arithmetic number, because the mean of its divisors is an integer number (13893120).

Almost surely, 2^499016889 is an apocalyptic number.

It is an amenable number.

499016889 is a deficient number, since it is larger than the sum of its proper divisors (390142791).

499016889 is a wasteful number, since it uses less digits than its factorization.

499016889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 499016889 is about 22338.6859282277. The cubic root of 499016889 is about 793.1799875250.

The spelling of 499016889 in words is "four hundred ninety-nine million, sixteen thousand, eight hundred eighty-nine".