63945348 has 48 divisors (see below), whose sum is σ = 157308480. Its totient is φ = 20185984.

The previous prime is 63945341. The next prime is 63945367. The reversal of 63945348 is 84354936.

It is a super-2 number, since 2×63945348² = 8178015061682208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63945341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16711 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (3277260).

Almost surely, 2^63945348 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 63945348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78654240).

63945348 is an abundant number, since it is smaller than the sum of its proper divisors (93363132).

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

63945348 is a wasteful number, since it uses less digits than its factorization.

63945348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3554 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 63945348 is about 7996.5835204792. The cubic root of 63945348 is about 399.8861092420.

The spelling of 63945348 in words is "sixty-three million, nine hundred forty-five thousand, three hundred forty-eight".