60438821 has 4 divisors (see below), whose sum is σ = 61290144. Its totient is φ = 59587500.

The previous prime is 60438811. The next prime is 60438827. The reversal of 60438821 is 12883406.

60438821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60438821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60438827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425555 + ... + 425696.

It is an arithmetic number, because the mean of its divisors is an integer number (15322536).

Almost surely, 2^60438821 is an apocalyptic number.

It is an amenable number.

60438821 is a deficient number, since it is larger than the sum of its proper divisors (851323).

60438821 is an equidigital number, since it uses as much as digits as its factorization.

60438821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851322.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 60438821 is about 7774.2408632612. The cubic root of 60438821 is about 392.4388501975.

The spelling of 60438821 in words is "sixty million, four hundred thirty-eight thousand, eight hundred twenty-one".