64819038 has 16 divisors (see below), whose sum is σ = 129753216. Its totient is φ = 21587160.

The previous prime is 64819021. The next prime is 64819049. The reversal of 64819038 is 83091846.

It is a junction number, because it is equal to n+sod(n) for n = 64818987 and 64819005.

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 in 7 ways as a sum of consecutive naturals, for example, 3673 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (8109576).

Almost surely, 2^64819038 is an apocalyptic number.

64819038 is an abundant number, since it is smaller than the sum of its proper divisors (64934178).

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

64819038 is a wasteful number, since it uses less digits than its factorization.

64819038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9599.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 64819038 is about 8051.0271394400. The cubic root of 64819038 is about 401.6991015820.

The spelling of 64819038 in words is "sixty-four million, eight hundred nineteen thousand, thirty-eight".