1530890868 has 48 divisors (see below), whose sum is σ = 4073146560. Its totient is φ = 443334144.

The previous prime is 1530890863. The next prime is 1530890899. The reversal of 1530890868 is 8680980351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530890863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285978 + ... + 291281.

It is an arithmetic number, because the mean of its divisors is an integer number (84857220).

Almost surely, 2^1530890868 is an apocalyptic number.

It is an amenable number.

1530890868 is an abundant number, since it is smaller than the sum of its proper divisors (2542255692).

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

1530890868 is a wasteful number, since it uses less digits than its factorization.

1530890868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577296 (or 577294 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1530890868 is about 39126.6005167840. The cubic root of 1530890868 is about 1152.5189568422.

The spelling of 1530890868 in words is "one billion, five hundred thirty million, eight hundred ninety thousand, eight hundred sixty-eight".