438298368 has 72 divisors (see below), whose sum is σ = 1172953488. Its totient is φ = 145293312.

The previous prime is 438298363. The next prime is 438298387. The reversal of 438298368 is 863892834.

It is a self number, because there is not a number n which added to its sum of digits gives 438298368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438298363) 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, 146746 + ... + 149702.

Almost surely, 2^438298368 is an apocalyptic number.

438298368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438298368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586476744).

438298368 is an abundant number, since it is smaller than the sum of its proper divisors (734655120).

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

438298368 is a wasteful number, since it uses less digits than its factorization.

438298368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169 (or 3155 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 438298368 is about 20935.5766101629. The cubic root of 438298368 is about 759.6087367392.

The spelling of 438298368 in words is "four hundred thirty-eight million, two hundred ninety-eight thousand, three hundred sixty-eight".