6620098 has 4 divisors (see below), whose sum is σ = 9930150. Its totient is φ = 3310048.

The previous prime is 6620083. The next prime is 6620101. The reversal of 6620098 is 8900266.

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., 5349969 + 1270129 = 2313^2 + 1127^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655023 + ... + 1655026.

Almost surely, 2^6620098 is an apocalyptic number.

6620098 is a deficient number, since it is larger than the sum of its proper divisors (3310052).

6620098 is a wasteful number, since it uses less digits than its factorization.

6620098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310051.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6620098 is about 2572.9551103741. The cubic root of 6620098 is about 187.7679534818.

It can be divided in two parts, 66 and 20098, that added together give a square (20164 = 142²).

The spelling of 6620098 in words is "six million, six hundred twenty thousand, ninety-eight".