98345640 has 64 divisors (see below), whose sum is σ = 304565760. Its totient is φ = 25378560.

The previous prime is 98345633. The next prime is 98345647. The reversal of 98345640 is 4654389.

It is an interprime number because it is at equal distance from previous prime (98345633) and next prime (98345647).

It is not an unprimeable number, because it can be changed into a prime (98345647) 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 15 ways as a sum of consecutive naturals, for example, 9499 + ... + 16938.

It is an arithmetic number, because the mean of its divisors is an integer number (4758840).

Almost surely, 2^98345640 is an apocalyptic number.

It is an amenable number.

98345640 is an abundant number, since it is smaller than the sum of its proper divisors (206220120).

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

98345640 is a wasteful number, since it uses less digits than its factorization.

98345640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26482 (or 26478 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 98345640 is about 9916.9370271269. The cubic root of 98345640 is about 461.5850174404.

The spelling of 98345640 in words is "ninety-eight million, three hundred forty-five thousand, six hundred forty".