64485384 has 16 divisors (see below), whose sum is σ = 161213520. Its totient is φ = 21495120.

The previous prime is 64485383. The next prime is 64485397. The reversal of 64485384 is 48358446.

It is not an unprimeable number, because it can be changed into a prime (64485383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343422 + ... + 1343469.

It is an arithmetic number, because the mean of its divisors is an integer number (10075845).

Almost surely, 2^64485384 is an apocalyptic number.

It is an amenable number.

64485384 is an abundant number, since it is smaller than the sum of its proper divisors (96728136).

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

64485384 is a wasteful number, since it uses less digits than its factorization.

64485384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686900 (or 2686896 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 64485384 is about 8030.2791981350. The cubic root of 64485384 is about 401.0086709858.

The spelling of 64485384 in words is "sixty-four million, four hundred eighty-five thousand, three hundred eighty-four".