98613540 has 36 divisors (see below), whose sum is σ = 299128284. Its totient is φ = 26296896.

The previous prime is 98613527. The next prime is 98613587. The reversal of 98613540 is 4531689.

It can be written as a sum of positive squares in 2 ways, for example, as 59074596 + 39538944 = 7686^2 + 6288^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 98613495 and 98613504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273747 + ... + 274106.

It is an arithmetic number, because the mean of its divisors is an integer number (8309119).

Almost surely, 2^98613540 is an apocalyptic number.

98613540 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98613540 is an abundant number, since it is smaller than the sum of its proper divisors (200514744).

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

98613540 is a wasteful number, since it uses less digits than its factorization.

98613540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547868 (or 547863 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 98613540 is about 9930.4350357877. The cubic root of 98613540 is about 462.0037667653.

The spelling of 98613540 in words is "ninety-eight million, six hundred thirteen thousand, five hundred forty".