499554387 has 6 divisors (see below), whose sum is σ = 721578572. Its totient is φ = 333036252.

The previous prime is 499554371. The next prime is 499554397. The reversal of 499554387 is 783455994.

499554387 is a `hidden beast` number, since 4 + 9 + 9 + 554 + 3 + 87 = 666.

It is not a de Polignac number, because 499554387 - 2⁴ = 499554371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499554337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27753013 + ... + 27753030.

Almost surely, 2^499554387 is an apocalyptic number.

499554387 is a deficient number, since it is larger than the sum of its proper divisors (222024185).

499554387 is a wasteful number, since it uses less digits than its factorization.

499554387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55506049 (or 55506046 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 499554387 is about 22350.7133443208. The cubic root of 499554387 is about 793.4646670540.

The spelling of 499554387 in words is "four hundred ninety-nine million, five hundred fifty-four thousand, three hundred eighty-seven".