98969040 has 140 divisors (see below), whose sum is σ = 345200004. Its totient is φ = 26376192.

The previous prime is 98969027. The next prime is 98969041. The reversal of 98969040 is 4096989.

It can be written as a sum of positive squares in 2 ways, for example, as 70963776 + 28005264 = 8424^2 + 5292^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98969041) 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 27 ways as a sum of consecutive naturals, for example, 57472 + ... + 59168.

Almost surely, 2^98969040 is an apocalyptic number.

98969040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98969040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172600002).

98969040 is an abundant number, since it is smaller than the sum of its proper divisors (246230964).

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

98969040 is a wasteful number, since it uses less digits than its factorization.

98969040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 98969040 is about 9948.3184508740. The cubic root of 98969040 is about 462.5582726674.

The spelling of 98969040 in words is "ninety-eight million, nine hundred sixty-nine thousand, forty".