427367628 has 18 divisors (see below), whose sum is σ = 1080290484. Its totient is φ = 142455864.

The previous prime is 427367579. The next prime is 427367653. The reversal of 427367628 is 826763724.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×427367628³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5935626 + ... + 5935697.

It is an arithmetic number, because the mean of its divisors is an integer number (60016138).

Almost surely, 2^427367628 is an apocalyptic number.

It is an amenable number.

427367628 is an abundant number, since it is smaller than the sum of its proper divisors (652922856).

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

427367628 is a wasteful number, since it uses less digits than its factorization.

427367628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871333 (or 11871328 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 427367628 is about 20672.8717888928. The cubic root of 427367628 is about 753.2408662100.

The spelling of 427367628 in words is "four hundred twenty-seven million, three hundred sixty-seven thousand, six hundred twenty-eight".