98643542 has 4 divisors (see below), whose sum is σ = 147965316. Its totient is φ = 49321770.

The previous prime is 98643541. The next prime is 98643551. The reversal of 98643542 is 24534689.

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

It is a self number, because there is not a number n which added to its sum of digits gives 98643542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98643541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24660884 + ... + 24660887.

It is an arithmetic number, because the mean of its divisors is an integer number (36991329).

Almost surely, 2^98643542 is an apocalyptic number.

98643542 is a deficient number, since it is larger than the sum of its proper divisors (49321774).

98643542 is a wasteful number, since it uses less digits than its factorization.

98643542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49321773.

The product of its digits is 207360, while the sum is 41.

The square root of 98643542 is about 9931.9455294519. The cubic root of 98643542 is about 462.0506150701.

The spelling of 98643542 in words is "ninety-eight million, six hundred forty-three thousand, five hundred forty-two".