499926431 has 8 divisors (see below), whose sum is σ = 502916544. Its totient is φ = 496944000.

The previous prime is 499926403. The next prime is 499926481. The reversal of 499926431 is 134629994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499926431 is a prime.

It is a super-2 number, since 2×499926431² = 499852872824795522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499926481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173555 + ... + 176411.

It is an arithmetic number, because the mean of its divisors is an integer number (62864568).

Almost surely, 2^499926431 is an apocalyptic number.

499926431 is a deficient number, since it is larger than the sum of its proper divisors (2990113).

499926431 is a wasteful number, since it uses less digits than its factorization.

499926431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its digits is 419904, while the sum is 47.

The square root of 499926431 is about 22359.0346616306. The cubic root of 499926431 is about 793.6615962387.

The spelling of 499926431 in words is "four hundred ninety-nine million, nine hundred twenty-six thousand, four hundred thirty-one".