673860489 has 4 divisors (see below), whose sum is σ = 898480656. Its totient is φ = 449240324.

The previous prime is 673860487. The next prime is 673860491. The reversal of 673860489 is 984068376.

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 an interprime number because it is at equal distance from previous prime (673860487) and next prime (673860491).

It is a cyclic number.

It is not a de Polignac number, because 673860489 - 2¹ = 673860487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673860487) 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, 112310079 + ... + 112310084.

It is an arithmetic number, because the mean of its divisors is an integer number (224620164).

Almost surely, 2^673860489 is an apocalyptic number.

It is an amenable number.

673860489 is a deficient number, since it is larger than the sum of its proper divisors (224620167).

673860489 is a wasteful number, since it uses less digits than its factorization.

673860489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224620166.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 673860489 is about 25958.8229509737. The cubic root of 673860489 is about 876.7114211531.

The spelling of 673860489 in words is "six hundred seventy-three million, eight hundred sixty thousand, four hundred eighty-nine".