7146489 has 16 divisors (see below), whose sum is σ = 11463680. Its totient is φ = 3868560.

The previous prime is 7146463. The next prime is 7146497. The reversal of 7146489 is 9846417.

It is a happy number.

It is not a de Polignac number, because 7146489 - 2¹³ = 7138297 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7146389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8557 + ... + 9354.

It is an arithmetic number, because the mean of its divisors is an integer number (716480).

Almost surely, 2^7146489 is an apocalyptic number.

It is an amenable number.

7146489 is a deficient number, since it is larger than the sum of its proper divisors (4317191).

7146489 is a wasteful number, since it uses less digits than its factorization.

7146489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17940.

The product of its digits is 48384, while the sum is 39.

The square root of 7146489 is about 2673.2917910322. The cubic root of 7146489 is about 192.6183137295.

The spelling of 7146489 in words is "seven million, one hundred forty-six thousand, four hundred eighty-nine".