1006491327 has 8 divisors (see below), whose sum is σ = 1354530816. Its totient is φ = 664723032.

The previous prime is 1006491319. The next prime is 1006491377. The reversal of 1006491327 is 7231946001.

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

It is not a de Polignac number, because 1006491327 - 2³ = 1006491319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006491377) 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, 1567423 + ... + 1568064.

It is an arithmetic number, because the mean of its divisors is an integer number (169316352).

Almost surely, 2^1006491327 is an apocalyptic number.

1006491327 is a deficient number, since it is larger than the sum of its proper divisors (348039489).

1006491327 is a wasteful number, since it uses less digits than its factorization.

1006491327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135597.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1006491327 is about 31725.2474694840. The cubic root of 1006491327 is about 1002.1591105532.

The spelling of 1006491327 in words is "one billion, six million, four hundred ninety-one thousand, three hundred twenty-seven".