98439040 has 192 divisors, whose sum is σ = 283955760. Its totient is φ = 32514048.

The previous prime is 98439023. The next prime is 98439041. The reversal of 98439040 is 4093489.

It is a super-2 number, since 2×98439040² = 19380489192243200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98439041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348444 + ... + 1348516.

Almost surely, 2^98439040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98439040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141977880).

98439040 is an abundant number, since it is smaller than the sum of its proper divisors (185516720).

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

98439040 is a wasteful number, since it uses less digits than its factorization.

98439040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 98439040 is about 9921.6450248938. The cubic root of 98439040 is about 461.7310954290.

The spelling of 98439040 in words is "ninety-eight million, four hundred thirty-nine thousand, forty".