98699940 has 72 divisors (see below), whose sum is σ = 303645888. Its totient is φ = 25945920.

The previous prime is 98699933. The next prime is 98699947. The reversal of 98699940 is 4999689.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (98699933) and next prime (98699947).

It is not an unprimeable number, because it can be changed into a prime (98699947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8919 + ... + 16641.

It is an arithmetic number, because the mean of its divisors is an integer number (4217304).

Almost surely, 2^98699940 is an apocalyptic number.

98699940 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 98699940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151822944).

98699940 is an abundant number, since it is smaller than the sum of its proper divisors (204945948).

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

98699940 is a wasteful number, since it uses less digits than its factorization.

98699940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809 (or 7804 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 98699940 is about 9934.7843459232. The cubic root of 98699940 is about 462.1386551838.

The spelling of 98699940 in words is "ninety-eight million, six hundred ninety-nine thousand, nine hundred forty".