612036 has 30 divisors (see below), whose sum is σ = 1600830. Its totient is φ = 203904.

The previous prime is 612023. The next prime is 612037. The reversal of 612036 is 630216.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 93636 = 720^2 + 306^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 612036.

It is not an unprimeable number, because it can be changed into a prime (612037) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 621 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (53361).

2⁶¹²⁰³⁶ is an apocalyptic number.

It is an amenable number.

612036 is an abundant number, since it is smaller than the sum of its proper divisors (988794).

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

612036 is a wasteful number, since it uses less digits than its factorization.

612036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 612036 is about 782.3272972356. The cubic root of 612036 is about 84.9035121972.

The spelling of 612036 in words is "six hundred twelve thousand, thirty-six".