428147334 has 24 divisors (see below), whose sum is σ = 928033392. Its totient is φ = 142657200.

The previous prime is 428147333. The next prime is 428147341. The reversal of 428147334 is 433741824.

428147334 is a `hidden beast` number, since 4 + 281 + 47 + 334 = 666.

It is a super-2 number, since 2×428147334² = 366620279222615112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428147333) 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, 81384 + ... + 86484.

It is an arithmetic number, because the mean of its divisors is an integer number (38668058).

Almost surely, 2^428147334 is an apocalyptic number.

428147334 is an abundant number, since it is smaller than the sum of its proper divisors (499886058).

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

428147334 is a wasteful number, since it uses less digits than its factorization.

428147334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9772 (or 9769 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 428147334 is about 20691.7213880334. The cubic root of 428147334 is about 753.6986684844.

It can be divided in two parts, 4281 and 47334, that added together give a palindrome (51615).

The spelling of 428147334 in words is "four hundred twenty-eight million, one hundred forty-seven thousand, three hundred thirty-four".