1530400698 has 12 divisors (see below), whose sum is σ = 3315868218. Its totient is φ = 510133560.

The previous prime is 1530400693. The next prime is 1530400709. The reversal of 1530400698 is 8960040351.

It can be written as a sum of positive squares in only one way, i.e., 1167383889 + 363016809 = 34167^2 + 19053^2 .

It is not an unprimeable number, because it can be changed into a prime (1530400693) by changing a digit.

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, 42511113 + ... + 42511148.

Almost surely, 2^1530400698 is an apocalyptic number.

1530400698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1530400698 is an abundant number, since it is smaller than the sum of its proper divisors (1785467520).

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

1530400698 is a wasteful number, since it uses less digits than its factorization.

1530400698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85022269 (or 85022266 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1530400698 is about 39120.3361181879. The cubic root of 1530400698 is about 1152.3959368557.

The spelling of 1530400698 in words is "one billion, five hundred thirty million, four hundred thousand, six hundred ninety-eight".