612404 has 12 divisors (see below), whose sum is σ = 1154244. Its totient is φ = 282624.

The previous prime is 612401. The next prime is 612407. The reversal of 612404 is 404216.

It is an interprime number because it is at equal distance from previous prime (612401) and next prime (612407).

It can be written as a sum of positive squares in 2 ways, for example, as 250000 + 362404 = 500^2 + 602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612401) 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, 5837 + ... + 5940.

It is an arithmetic number, because the mean of its divisors is an integer number (96187).

2⁶¹²⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

612404 is a deficient number, since it is larger than the sum of its proper divisors (541840).

612404 is a wasteful number, since it uses less digits than its factorization.

612404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11794 (or 11792 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 612404 is about 782.5624575713. The cubic root of 612404 is about 84.9205254843.

The spelling of 612404 in words is "six hundred twelve thousand, four hundred four".