499066590 has 32 divisors (see below), whose sum is σ = 1306647936. Its totient is φ = 120985760.

The previous prime is 499066577. The next prime is 499066591. The reversal of 499066590 is 95660994.

It is a happy number.

It is a super-2 number, since 2×499066590² = 498134922508456200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499066591) 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, 755832 + ... + 756491.

It is an arithmetic number, because the mean of its divisors is an integer number (40832748).

Almost surely, 2^499066590 is an apocalyptic number.

499066590 is an abundant number, since it is smaller than the sum of its proper divisors (807581346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499066590 is a wasteful number, since it uses less digits than its factorization.

499066590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512344.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 499066590 is about 22339.7983428678. The cubic root of 499066590 is about 793.2063196530.

The spelling of 499066590 in words is "four hundred ninety-nine million, sixty-six thousand, five hundred ninety".