98058640 has 40 divisors (see below), whose sum is σ = 228878208. Its totient is φ = 39070080.

The previous prime is 98058617. The next prime is 98058641. The reversal of 98058640 is 4685089.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 98058593 and 98058602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98058641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19419 + ... + 23941.

Almost surely, 2^98058640 is an apocalyptic number.

It is an amenable number.

98058640 is an abundant number, since it is smaller than the sum of its proper divisors (130819568).

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

98058640 is a wasteful number, since it uses less digits than its factorization.

98058640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807 (or 4801 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 98058640 is about 9902.4562609486. The cubic root of 98058640 is about 461.1355686882.

The spelling of 98058640 in words is "ninety-eight million, fifty-eight thousand, six hundred forty".