499378964 has 12 divisors (see below), whose sum is σ = 998757984. Its totient is φ = 214019544.

The previous prime is 499378963. The next prime is 499378991. The reversal of 499378964 is 469873994.

499378964 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499378963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8917454 + ... + 8917509.

It is an arithmetic number, because the mean of its divisors is an integer number (83229832).

Almost surely, 2^499378964 is an apocalyptic number.

It is an amenable number.

499378964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

499378964 is a wasteful number, since it uses less digits than its factorization.

499378964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17834974 (or 17834972 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The square root of 499378964 is about 22346.7886730957. The cubic root of 499378964 is about 793.3717787707.

The spelling of 499378964 in words is "four hundred ninety-nine million, three hundred seventy-eight thousand, nine hundred sixty-four".