64348400 has 60 divisors (see below), whose sum is σ = 163708272. Its totient is φ = 24222720.

The previous prime is 64348373. The next prime is 64348429. The reversal of 64348400 is 484346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2069 + ... + 11531.

Almost surely, 2^64348400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64348400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81854136).

64348400 is an abundant number, since it is smaller than the sum of its proper divisors (99359872).

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

64348400 is a wasteful number, since it uses less digits than its factorization.

64348400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498 (or 9487 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 64348400 is about 8021.7454459737. The cubic root of 64348400 is about 400.7245202171.

The spelling of 64348400 in words is "sixty-four million, three hundred forty-eight thousand, four hundred".