612398 has 8 divisors (see below), whose sum is σ = 958608. Its totient is φ = 292864.

The previous prime is 612383. The next prime is 612401. The reversal of 612398 is 893216.

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

It is a self number, because there is not a number n which added to its sum of digits gives 612398.

It is a congruent number.

It is an unprimeable number.

612398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611 + ... + 6702.

It is an arithmetic number, because the mean of its divisors is an integer number (119826).

2⁶¹²³⁹⁸ is an apocalyptic number.

612398 is a deficient number, since it is larger than the sum of its proper divisors (346210).

612398 is a wasteful number, since it uses less digits than its factorization.

612398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13338.

The product of its digits is 2592, while the sum is 29.

The square root of 612398 is about 782.5586240021. The cubic root of 612398 is about 84.9202481484.

The spelling of 612398 in words is "six hundred twelve thousand, three hundred ninety-eight".