98140571 has 4 divisors (see below), whose sum is σ = 98408352. Its totient is φ = 97872792.

The previous prime is 98140561. The next prime is 98140579. The reversal of 98140571 is 17504189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98140571 - 2¹⁸ = 97878427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98140579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133340 + ... + 134073.

It is an arithmetic number, because the mean of its divisors is an integer number (24602088).

Almost surely, 2^98140571 is an apocalyptic number.

98140571 is a deficient number, since it is larger than the sum of its proper divisors (267781).

98140571 is a wasteful number, since it uses less digits than its factorization.

98140571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267780.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 98140571 is about 9906.5923000798. The cubic root of 98140571 is about 461.2639639038.

The spelling of 98140571 in words is "ninety-eight million, one hundred forty thousand, five hundred seventy-one".