499693842 has 12 divisors (see below), whose sum is σ = 1082670030. Its totient is φ = 166564608.

The previous prime is 499693813. The next prime is 499693847. The reversal of 499693842 is 248396994.

It can be written as a sum of positive squares in only one way, i.e., 396447921 + 103245921 = 19911^2 + 10161^2 .

It is not an unprimeable number, because it can be changed into a prime (499693847) 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, 13880367 + ... + 13880402.

Almost surely, 2^499693842 is an apocalyptic number.

499693842 is an abundant number, since it is smaller than the sum of its proper divisors (582976188).

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

499693842 is a wasteful number, since it uses less digits than its factorization.

499693842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27760777 (or 27760774 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 499693842 is about 22353.8328257147. The cubic root of 499693842 is about 793.5384943977.

The spelling of 499693842 in words is "four hundred ninety-nine million, six hundred ninety-three thousand, eight hundred forty-two".