499370090 has 16 divisors (see below), whose sum is σ = 899438472. Its totient is φ = 199620864.

The previous prime is 499370071. The next prime is 499370099. The reversal of 499370090 is 90073994.

It can be written as a sum of positive squares in 4 ways, for example, as 239289961 + 260080129 = 15469^2 + 16127^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499370099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 31638.

Almost surely, 2^499370090 is an apocalyptic number.

499370090 is a deficient number, since it is larger than the sum of its proper divisors (400068382).

499370090 is a wasteful number, since it uses less digits than its factorization.

499370090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31801.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 499370090 is about 22346.5901201951. The cubic root of 499370090 is about 793.3670793184.

The spelling of 499370090 in words is "four hundred ninety-nine million, three hundred seventy thousand, ninety".