64411838 has 4 divisors (see below), whose sum is σ = 96617760. Its totient is φ = 32205918.

The previous prime is 64411817. The next prime is 64411847. The reversal of 64411838 is 83811446.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 64411798 and 64411807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16102958 + ... + 16102961.

It is an arithmetic number, because the mean of its divisors is an integer number (24154440).

Almost surely, 2^64411838 is an apocalyptic number.

64411838 is a deficient number, since it is larger than the sum of its proper divisors (32205922).

64411838 is a wasteful number, since it uses less digits than its factorization.

64411838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32205921.

The product of its digits is 18432, while the sum is 35.

The square root of 64411838 is about 8025.6985988760. The cubic root of 64411838 is about 400.8561619925.

The spelling of 64411838 in words is "sixty-four million, four hundred eleven thousand, eight hundred thirty-eight".