427269888 has 108 divisors (see below), whose sum is σ = 1255527000. Its totient is φ = 139696128.

The previous prime is 427269883. The next prime is 427269893. The reversal of 427269888 is 888962724.

It is an interprime number because it is at equal distance from previous prime (427269883) and next prime (427269893).

It is a super-4 number, since 4×427269888⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427269883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120363 + ... + 123861.

It is an arithmetic number, because the mean of its divisors is an integer number (11625250).

Almost surely, 2^427269888 is an apocalyptic number.

427269888 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 427269888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627763500).

427269888 is an abundant number, since it is smaller than the sum of its proper divisors (828257112).

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

427269888 is a wasteful number, since it uses less digits than its factorization.

427269888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574 (or 3557 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 427269888 is about 20670.5076860729. The cubic root of 427269888 is about 753.1834391686.

The spelling of 427269888 in words is "four hundred twenty-seven million, two hundred sixty-nine thousand, eight hundred eighty-eight".