98022391 has 4 divisors (see below), whose sum is σ = 103788432. Its totient is φ = 92256352.

The previous prime is 98022347. The next prime is 98022409. The reversal of 98022391 is 19322089.

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 98022391 - 2⁹ = 98021879 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 (98022091) 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, 2882995 + ... + 2883028.

It is an arithmetic number, because the mean of its divisors is an integer number (25947108).

Almost surely, 2^98022391 is an apocalyptic number.

98022391 is a deficient number, since it is larger than the sum of its proper divisors (5766041).

98022391 is a wasteful number, since it uses less digits than its factorization.

98022391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766040.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 98022391 is about 9900.6257883025. The cubic root of 98022391 is about 461.0787395521.

The spelling of 98022391 in words is "ninety-eight million, twenty-two thousand, three hundred ninety-one".