1530396884 has 6 divisors (see below), whose sum is σ = 2678194554. Its totient is φ = 765198440.

The previous prime is 1530396883. The next prime is 1530396941. The reversal of 1530396884 is 4886930351.

It can be written as a sum of positive squares in only one way, i.e., 1090320400 + 440076484 = 33020^2 + 20978^2 .

It is a super-2 number, since 2×1530396884² = 4684229245113818912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530396883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191299607 + ... + 191299614.

It is an arithmetic number, because the mean of its divisors is an integer number (446365759).

Almost surely, 2^1530396884 is an apocalyptic number.

It is an amenable number.

1530396884 is a deficient number, since it is larger than the sum of its proper divisors (1147797670).

1530396884 is a wasteful number, since it uses less digits than its factorization.

1530396884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382599225 (or 382599223 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1530396884 is about 39120.2873711326. The cubic root of 1530396884 is about 1152.3949795374.

The spelling of 1530396884 in words is "one billion, five hundred thirty million, three hundred ninety-six thousand, eight hundred eighty-four".