98390919 has 8 divisors (see below), whose sum is σ = 143114112. Its totient is φ = 59630840.

The previous prime is 98390899. The next prime is 98390947. The reversal of 98390919 is 91909389.

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

It is a cyclic number.

It is not a de Polignac number, because 98390919 - 2¹² = 98386823 is a prime.

It is a super-2 number, since 2×98390919² = 19361545883329122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98390969) 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, 1490739 + ... + 1490804.

It is an arithmetic number, because the mean of its divisors is an integer number (17889264).

Almost surely, 2^98390919 is an apocalyptic number.

98390919 is a deficient number, since it is larger than the sum of its proper divisors (44723193).

98390919 is a wasteful number, since it uses less digits than its factorization.

98390919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981557.

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 98390919 is about 9919.2196769706. The cubic root of 98390919 is about 461.6558455297.

The spelling of 98390919 in words is "ninety-eight million, three hundred ninety thousand, nine hundred nineteen".