499990634 has 48 divisors (see below), whose sum is σ = 896977536. Its totient is φ = 207614880.

The previous prime is 499990633. The next prime is 499990663. The reversal of 499990634 is 436099994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499990633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323267 + ... + 324809.

It is an arithmetic number, because the mean of its divisors is an integer number (18687032).

Almost surely, 2^499990634 is an apocalyptic number.

499990634 is a deficient number, since it is larger than the sum of its proper divisors (396986902).

499990634 is a wasteful number, since it uses less digits than its factorization.

499990634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 499990634 is about 22360.4703438904. The cubic root of 499990634 is about 793.6955700871.

The spelling of 499990634 in words is "four hundred ninety-nine million, nine hundred ninety thousand, six hundred thirty-four".