98279142 has 64 divisors (see below), whose sum is σ = 226183104. Its totient is φ = 28200960.

The previous prime is 98279131. The next prime is 98279147. The reversal of 98279142 is 24197289.

It is a junction number, because it is equal to n+sod(n) for n = 98279094 and 98279103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98279147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181392 + ... + 181932.

It is an arithmetic number, because the mean of its divisors is an integer number (3534111).

Almost surely, 2^98279142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98279142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113091552).

98279142 is an abundant number, since it is smaller than the sum of its proper divisors (127903962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98279142 is a wasteful number, since it uses less digits than its factorization.

98279142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 72576, while the sum is 42.

The square root of 98279142 is about 9913.5837112520. The cubic root of 98279142 is about 461.4809579171.

The spelling of 98279142 in words is "ninety-eight million, two hundred seventy-nine thousand, one hundred forty-two".