499249399 has 16 divisors (see below), whose sum is σ = 566133120. Its totient is φ = 436246560.

The previous prime is 499249381. The next prime is 499249403. The reversal of 499249399 is 993942994.

It is a cyclic number.

It is not a de Polignac number, because 499249399 - 2⁵ = 499249367 is a prime.

It is a super-2 number, since 2×499249399² = 498499924803722402, 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 (499249379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26392 + ... + 41170.

It is an arithmetic number, because the mean of its divisors is an integer number (35383320).

Almost surely, 2^499249399 is an apocalyptic number.

499249399 is a deficient number, since it is larger than the sum of its proper divisors (66883721).

499249399 is a wasteful number, since it uses less digits than its factorization.

499249399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14910.

The product of its digits is 5668704, while the sum is 58.

The square root of 499249399 is about 22343.8895226413. The cubic root of 499249399 is about 793.3031588026.

The spelling of 499249399 in words is "four hundred ninety-nine million, two hundred forty-nine thousand, three hundred ninety-nine".