6619498 has 4 divisors (see below), whose sum is σ = 9929250. Its totient is φ = 3309748.

The previous prime is 6619493. The next prime is 6619507. The reversal of 6619498 is 8949166.

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., 5968249 + 651249 = 2443^2 + 807^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6619493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654873 + ... + 1654876.

Almost surely, 2^6619498 is an apocalyptic number.

6619498 is a deficient number, since it is larger than the sum of its proper divisors (3309752).

6619498 is a wasteful number, since it uses less digits than its factorization.

6619498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309751.

The product of its digits is 93312, while the sum is 43.

The square root of 6619498 is about 2572.8385102839. The cubic root of 6619498 is about 187.7622806466.

It can be divided in two parts, 6619 and 498, that added together give a palindrome (7117).

The spelling of 6619498 in words is "six million, six hundred nineteen thousand, four hundred ninety-eight".