64010838 has 16 divisors (see below), whose sum is σ = 130121136. Its totient is φ = 20987040.

The previous prime is 64010833. The next prime is 64010839. The reversal of 64010838 is 83801046.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64010833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87081 + ... + 87812.

It is an arithmetic number, because the mean of its divisors is an integer number (8132571).

Almost surely, 2^64010838 is an apocalyptic number.

64010838 is an abundant number, since it is smaller than the sum of its proper divisors (66110298).

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

64010838 is a wasteful number, since it uses less digits than its factorization.

64010838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174959.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 64010838 is about 8000.6773463251. The cubic root of 64010838 is about 400.0225778922.

It can be divided in two parts, 640108 and 38, that added together give a triangular number (640146 = T₁₁₃₁).

The spelling of 64010838 in words is "sixty-four million, ten thousand, eight hundred thirty-eight".