993490530 has 32 divisors (see below), whose sum is σ = 2423469888. Its totient is φ = 260587200.

The previous prime is 993490529. The next prime is 993490541. The reversal of 993490530 is 35094399.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269616 + ... + 273275.

It is an arithmetic number, because the mean of its divisors is an integer number (75733434).

Almost surely, 2^993490530 is an apocalyptic number.

993490530 is an abundant number, since it is smaller than the sum of its proper divisors (1429979358).

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

993490530 is a wasteful number, since it uses less digits than its factorization.

993490530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542962.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 993490530 is about 31519.6848017235. The cubic root of 993490530 is about 997.8254514328.

The spelling of 993490530 in words is "nine hundred ninety-three million, four hundred ninety thousand, five hundred thirty".