98150391 has 6 divisors (see below), whose sum is σ = 141772800. Its totient is φ = 65433588.

The previous prime is 98150389. The next prime is 98150399. The reversal of 98150391 is 19305189.

It is a happy number.

It is not a de Polignac number, because 98150391 - 2¹ = 98150389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98150399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5452791 + ... + 5452808.

It is an arithmetic number, because the mean of its divisors is an integer number (23628800).

Almost surely, 2^98150391 is an apocalyptic number.

98150391 is a deficient number, since it is larger than the sum of its proper divisors (43622409).

98150391 is a wasteful number, since it uses less digits than its factorization.

98150391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905605 (or 10905602 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 98150391 is about 9907.0879172439. The cubic root of 98150391 is about 461.2793481668.

The spelling of 98150391 in words is "ninety-eight million, one hundred fifty thousand, three hundred ninety-one".