487702489 has 4 divisors (see below), whose sum is σ = 491211280. Its totient is φ = 484193700.

The previous prime is 487702441. The next prime is 487702529. The reversal of 487702489 is 984207784.

487702489 = T₁₈₀₃₀ + T₁₈₀₃₁ + T₁₈₀₃₂.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487702489 - 2¹³ = 487694297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487702429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754187 + ... + 1754464.

It is an arithmetic number, because the mean of its divisors is an integer number (122802820).

Almost surely, 2^487702489 is an apocalyptic number.

487702489 is the 18032-nd centered triangular number.

It is an amenable number.

487702489 is a deficient number, since it is larger than the sum of its proper divisors (3508791).

487702489 is a wasteful number, since it uses less digits than its factorization.

487702489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508790.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 487702489 is about 22083.9871626480. The cubic root of 487702489 is about 787.1394107607.

The spelling of 487702489 in words is "four hundred eighty-seven million, seven hundred two thousand, four hundred eighty-nine".