98431699 has 2 divisors, whose sum is σ = 98431700. Its totient is φ = 98431698.

The previous prime is 98431691. The next prime is 98431721. The reversal of 98431699 is 99613489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98431699 - 2³ = 98431691 is a prime.

It is not a weakly prime, because it can be changed into another prime (98431691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49215849 + 49215850.

It is an arithmetic number, because the mean of its divisors is an integer number (49215850).

Almost surely, 2^98431699 is an apocalyptic number.

98431699 is a deficient number, since it is larger than the sum of its proper divisors (1).

98431699 is an equidigital number, since it uses as much as digits as its factorization.

98431699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 98431699 is about 9921.2750692640. The cubic root of 98431699 is about 461.7196174211.

The spelling of 98431699 in words is "ninety-eight million, four hundred thirty-one thousand, six hundred ninety-nine".