491286632 has 8 divisors (see below), whose sum is σ = 921162450. Its totient is φ = 245643312.

The previous prime is 491286583. The next prime is 491286643. The reversal of 491286632 is 236682194.

It can be written as a sum of positive squares in only one way, i.e., 289476196 + 201810436 = 17014^2 + 14206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 491286632.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30705407 + ... + 30705422.

Almost surely, 2^491286632 is an apocalyptic number.

It is an amenable number.

491286632 is a deficient number, since it is larger than the sum of its proper divisors (429875818).

491286632 is a wasteful number, since it uses less digits than its factorization.

491286632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61410835 (or 61410831 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 491286632 is about 22164.9866230503. The cubic root of 491286632 is about 789.0629449296.

The spelling of 491286632 in words is "four hundred ninety-one million, two hundred eighty-six thousand, six hundred thirty-two".