98520945 has 16 divisors (see below), whose sum is σ = 162719232. Its totient is φ = 50849280.

The previous prime is 98520941. The next prime is 98520959. The reversal of 98520945 is 54902589.

It is not a de Polignac number, because 98520945 - 2² = 98520941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98520897 and 98520906.

It is not an unprimeable number, because it can be changed into a prime (98520941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105472 + ... + 106401.

It is an arithmetic number, because the mean of its divisors is an integer number (10169952).

Almost surely, 2^98520945 is an apocalyptic number.

It is an amenable number.

98520945 is a deficient number, since it is larger than the sum of its proper divisors (64198287).

98520945 is a wasteful number, since it uses less digits than its factorization.

98520945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211912.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 98520945 is about 9925.7717584075. The cubic root of 98520945 is about 461.8591191668.

The spelling of 98520945 in words is "ninety-eight million, five hundred twenty thousand, nine hundred forty-five".