98783893 has 8 divisors (see below), whose sum is σ = 106465688. Its totient is φ = 91113984.

The previous prime is 98783879. The next prime is 98783903. The reversal of 98783893 is 39838789.

It can be written as a sum of positive squares in 4 ways, for example, as 1129969 + 97653924 = 1063^2 + 9882^2 .

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

It is not a de Polignac number, because 98783893 - 2¹⁷ = 98652821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98783813) 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, 22321 + ... + 26377.

It is an arithmetic number, because the mean of its divisors is an integer number (13308211).

Almost surely, 2^98783893 is an apocalyptic number.

It is an amenable number.

98783893 is a deficient number, since it is larger than the sum of its proper divisors (7681795).

98783893 is a wasteful number, since it uses less digits than its factorization.

98783893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943.

The product of its digits is 2612736, while the sum is 55.

The square root of 98783893 is about 9939.0086527782. The cubic root of 98783893 is about 462.2696479394.

The spelling of 98783893 in words is "ninety-eight million, seven hundred eighty-three thousand, eight hundred ninety-three".