1530893394 has 12 divisors (see below), whose sum is σ = 3316935726. Its totient is φ = 510297792.

The previous prime is 1530893387. The next prime is 1530893423. The reversal of 1530893394 is 4933980351.

1530893394 is a `hidden beast` number, since 1 + 5 + 308 + 9 + 339 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1424081169 + 106812225 = 37737^2 + 10335^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42524799 + ... + 42524834.

Almost surely, 2^1530893394 is an apocalyptic number.

1530893394 is an abundant number, since it is smaller than the sum of its proper divisors (1786042332).

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

1530893394 is a wasteful number, since it uses less digits than its factorization.

1530893394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85049641 (or 85049638 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 1530893394 is about 39126.6327966003. The cubic root of 1530893394 is about 1152.5195907348.

The spelling of 1530893394 in words is "one billion, five hundred thirty million, eight hundred ninety-three thousand, three hundred ninety-four".