499209406 has 8 divisors (see below), whose sum is σ = 748959120. Its totient is φ = 249556368.

The previous prime is 499209397. The next prime is 499209407. The reversal of 499209406 is 604902994.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499209407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9471 + ... + 32986.

It is an arithmetic number, because the mean of its divisors is an integer number (93619890).

Almost surely, 2^499209406 is an apocalyptic number.

499209406 is a deficient number, since it is larger than the sum of its proper divisors (249749714).

499209406 is a wasteful number, since it uses less digits than its factorization.

499209406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48338.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 499209406 is about 22342.9945620546. The cubic root of 499209406 is about 793.2819753884.

The spelling of 499209406 in words is "four hundred ninety-nine million, two hundred nine thousand, four hundred six".