609402 has 16 divisors (see below), whose sum is σ = 1245312. Its totient is φ = 198720.

The previous prime is 609397. The next prime is 609403. The reversal of 609402 is 204906.

609402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609403) 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, 799 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (77832).

2⁶⁰⁹⁴⁰² is an apocalyptic number.

609402 is an abundant number, since it is smaller than the sum of its proper divisors (635910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609402 is a wasteful number, since it uses less digits than its factorization.

609402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213.

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

The square root of 609402 is about 780.6420434489. The cubic root of 609402 is about 84.7815381965.

Subtracting from 609402 its reverse (204906), we obtain a square (404496 = 636²).

The spelling of 609402 in words is "six hundred nine thousand, four hundred two".