7285989 has 16 divisors (see below), whose sum is σ = 10180800. Its totient is φ = 4628736.

The previous prime is 7285981. The next prime is 7285997. The reversal of 7285989 is 9895827.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7285981) and next prime (7285997).

It is not a de Polignac number, because 7285989 - 2³ = 7285981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285981) 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, 6717 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (636300).

Almost surely, 2^7285989 is an apocalyptic number.

It is an amenable number.

7285989 is a deficient number, since it is larger than the sum of its proper divisors (2894811).

7285989 is a wasteful number, since it uses less digits than its factorization.

7285989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its digits is 362880, while the sum is 48.

The square root of 7285989 is about 2699.2571200240. The cubic root of 7285989 is about 193.8635541075.

The spelling of 7285989 in words is "seven million, two hundred eighty-five thousand, nine hundred eighty-nine".