1487307988 has 12 divisors (see below), whose sum is σ = 2617835220. Its totient is φ = 739355072.

The previous prime is 1487307979. The next prime is 1487308013. The reversal of 1487307988 is 8897037841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1400855184 + 86452804 = 37428^2 + 9298^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073953 + ... + 1075336.

It is an arithmetic number, because the mean of its divisors is an integer number (218152935).

Almost surely, 2^1487307988 is an apocalyptic number.

It is an amenable number.

1487307988 is a deficient number, since it is larger than the sum of its proper divisors (1130527232).

1487307988 is a wasteful number, since it uses less digits than its factorization.

1487307988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149466 (or 2149464 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The square root of 1487307988 is about 38565.6322131506. The cubic root of 1487307988 is about 1141.4764874140.

The spelling of 1487307988 in words is "one billion, four hundred eighty-seven million, three hundred seven thousand, nine hundred eighty-eight".