1487087244 has 36 divisors (see below), whose sum is σ = 3815137144. Its totient is φ = 488296512.

The previous prime is 1487087243. The next prime is 1487087279. The reversal of 1487087244 is 4427807841.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1487087244² = 4422856942535031072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1487087244.

It is not an unprimeable number, because it can be changed into a prime (1487087243) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 305857 + ... + 310680.

Almost surely, 2^1487087244 is an apocalyptic number.

It is an amenable number.

1487087244 is an abundant number, since it is smaller than the sum of its proper divisors (2328049900).

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

1487087244 is a wasteful number, since it uses less digits than its factorization.

1487087244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616614 (or 616609 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The square root of 1487087244 is about 38562.7701805770. The cubic root of 1487087244 is about 1141.4200125492.

The spelling of 1487087244 in words is "one billion, four hundred eighty-seven million, eighty-seven thousand, two hundred forty-four".