612098 has 4 divisors (see below), whose sum is σ = 918150. Its totient is φ = 306048.

The previous prime is 612083. The next prime is 612107. The reversal of 612098 is 890216.

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., 582169 + 29929 = 763^2 + 173^2 .

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 612098.

It is an unprimeable number.

612098 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 as a sum of consecutive naturals, namely, 153023 + ... + 153026.

2⁶¹²⁰⁹⁸ is an apocalyptic number.

612098 is a deficient number, since it is larger than the sum of its proper divisors (306052).

612098 is a wasteful number, since it uses less digits than its factorization.

612098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306051.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 612098 is about 782.3669215911. The cubic root of 612098 is about 84.9063790438.

The spelling of 612098 in words is "six hundred twelve thousand, ninety-eight".