60821636 has 24 divisors (see below), whose sum is σ = 111123096. Its totient is φ = 29099520.

The previous prime is 60821633. The next prime is 60821639. The reversal of 60821636 is 63612806.

It is an interprime number because it is at equal distance from previous prime (60821633) and next prime (60821639).

It can be written as a sum of positive squares in 4 ways, for example, as 6150400 + 54671236 = 2480^2 + 7394^2 .

It is not an unprimeable number, because it can be changed into a prime (60821633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5660 + ... + 12396.

It is an arithmetic number, because the mean of its divisors is an integer number (4630129).

Almost surely, 2^60821636 is an apocalyptic number.

It is an amenable number.

60821636 is a deficient number, since it is larger than the sum of its proper divisors (50301460).

60821636 is a wasteful number, since it uses less digits than its factorization.

60821636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6839 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 60821636 is about 7798.8227316692. The cubic root of 60821636 is about 393.2656664853.

The spelling of 60821636 in words is "sixty million, eight hundred twenty-one thousand, six hundred thirty-six".