667492284 has 96 divisors (see below), whose sum is σ = 1706213376. Its totient is φ = 202245120.

The previous prime is 667492277. The next prime is 667492307. The reversal of 667492284 is 482294766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1441437 + ... + 1441899.

It is an arithmetic number, because the mean of its divisors is an integer number (17773056).

Almost surely, 2^667492284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667492284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853106688).

667492284 is an abundant number, since it is smaller than the sum of its proper divisors (1038721092).

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

667492284 is a wasteful number, since it uses less digits than its factorization.

667492284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 667492284 is about 25835.8720386984. The cubic root of 667492284 is about 873.9409375578.

The spelling of 667492284 in words is "six hundred sixty-seven million, four hundred ninety-two thousand, two hundred eighty-four".