64236408 has 32 divisors (see below), whose sum is σ = 160789200. Its totient is φ = 21385728.

The previous prime is 64236323. The next prime is 64236409. The reversal of 64236408 is 80463246.

It is a super-4 number, since 4×64236408⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64236409) 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, 33360 + ... + 35232.

Almost surely, 2^64236408 is an apocalyptic number.

It is an amenable number.

64236408 is an abundant number, since it is smaller than the sum of its proper divisors (96552792).

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

64236408 is a wasteful number, since it uses less digits than its factorization.

64236408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 64236408 is about 8014.7618804304. The cubic root of 64236408 is about 400.4919114764.

The spelling of 64236408 in words is "sixty-four million, two hundred thirty-six thousand, four hundred eight".