602409 has 8 divisors (see below), whose sum is σ = 808960. Its totient is φ = 398736.

The previous prime is 602401. The next prime is 602411. The reversal of 602409 is 904206.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 602409 - 2³ = 602401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (602401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (101120).

2⁶⁰²⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

602409 is a deficient number, since it is larger than the sum of its proper divisors (206551).

602409 is a wasteful number, since it uses less digits than its factorization.

602409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 602409 is about 776.1501143464. The cubic root of 602409 is about 84.4559952010.

The spelling of 602409 in words is "six hundred two thousand, four hundred nine".