98619639 has 8 divisors (see below), whose sum is σ = 133345152. Its totient is φ = 64820280.

The previous prime is 98619629. The next prime is 98619641. The reversal of 98619639 is 93691689.

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

It is not a de Polignac number, because 98619639 - 2⁸ = 98619383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98619591 and 98619600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98619629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231289 + ... + 231714.

It is an arithmetic number, because the mean of its divisors is an integer number (16668144).

Almost surely, 2^98619639 is an apocalyptic number.

98619639 is a deficient number, since it is larger than the sum of its proper divisors (34725513).

98619639 is a wasteful number, since it uses less digits than its factorization.

98619639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463077.

The product of its digits is 629856, while the sum is 51.

The square root of 98619639 is about 9930.7421172841. The cubic root of 98619639 is about 462.0132911601.

The spelling of 98619639 in words is "ninety-eight million, six hundred nineteen thousand, six hundred thirty-nine".