662649246 has 96 divisors (see below), whose sum is σ = 1732536000. Its totient is φ = 182750400.

The previous prime is 662649209. The next prime is 662649269. The reversal of 662649246 is 642946266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177196 + ... + 180896.

It is an arithmetic number, because the mean of its divisors is an integer number (18047250).

Almost surely, 2^662649246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662649246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866268000).

662649246 is an abundant number, since it is smaller than the sum of its proper divisors (1069886754).

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

662649246 is a wasteful number, since it uses less digits than its factorization.

662649246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759 (or 3742 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 662649246 is about 25741.9743998008. The cubic root of 662649246 is about 871.8221579567.

The spelling of 662649246 in words is "six hundred sixty-two million, six hundred forty-nine thousand, two hundred forty-six".