620098 has 4 divisors (see below), whose sum is σ = 930150. Its totient is φ = 310048.

The previous prime is 620051. The next prime is 620099. The reversal of 620098 is 890026.

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., 619369 + 729 = 787^2 + 27^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155023 + ... + 155026.

2⁶²⁰⁰⁹⁸ is an apocalyptic number.

620098 is a deficient number, since it is larger than the sum of its proper divisors (310052).

620098 is a wasteful number, since it uses less digits than its factorization.

620098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310051.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 620098 is about 787.4630150045. The cubic root of 620098 is about 85.2746823266.

The spelling of 620098 in words is "six hundred twenty thousand, ninety-eight".