612946 has 4 divisors (see below), whose sum is σ = 919422. Its totient is φ = 306472.

The previous prime is 612929. The next prime is 612947. The reversal of 612946 is 649216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 600625 + 12321 = 775^2 + 111^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (612947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153235 + ... + 153238.

2⁶¹²⁹⁴⁶ is an apocalyptic number.

612946 is a deficient number, since it is larger than the sum of its proper divisors (306476).

612946 is a wasteful number, since it uses less digits than its factorization.

612946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306475.

The product of its digits is 2592, while the sum is 28.

The square root of 612946 is about 782.9086792213. The cubic root of 612946 is about 84.9455706902.

The spelling of 612946 in words is "six hundred twelve thousand, nine hundred forty-six".