1534229928 has 384 divisors, whose sum is σ = 5463244800. Its totient is φ = 377395200.

The previous prime is 1534229911. The next prime is 1534229929. The reversal of 1534229928 is 8299224351.

1534229928 is a `hidden beast` number, since 1 + 534 + 2 + 2 + 99 + 28 = 666.

It is a super-2 number, since 2×1534229928² = 4707722943941770368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1534229929) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13577200 + ... + 13577312.

It is an arithmetic number, because the mean of its divisors is an integer number (14227200).

It is a vampire number, since it can be written as 29832 ⋅ 51429 (with its own digits).

Almost surely, 2^1534229928 is an apocalyptic number.

1534229928 is a gapful number since it is divisible by the number (18) 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 1534229928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2731622400).

1534229928 is an abundant number, since it is smaller than the sum of its proper divisors (3929014872).

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

1534229928 is a wasteful number, since it uses less digits than its factorization.

1534229928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 246 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1534229928 is about 39169.2472227895. The cubic root of 1534229928 is about 1153.3562765844.

The spelling of 1534229928 in words is "one billion, five hundred thirty-four million, two hundred twenty-nine thousand, nine hundred twenty-eight".