97828245 has 24 divisors (see below), whose sum is σ = 178495200. Its totient is φ = 49428576.

The previous prime is 97828231. The next prime is 97828253. The reversal of 97828245 is 54282879.

It is not a de Polignac number, because 97828245 - 2⁴ = 97828229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97828245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56355 + ... + 58064.

It is an arithmetic number, because the mean of its divisors is an integer number (7437300).

Almost surely, 2^97828245 is an apocalyptic number.

97828245 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97828245 is a deficient number, since it is larger than the sum of its proper divisors (80666955).

97828245 is a wasteful number, since it uses less digits than its factorization.

97828245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114449 (or 114446 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 97828245 is about 9890.8161948345. The cubic root of 97828245 is about 460.7741297009.

The spelling of 97828245 in words is "ninety-seven million, eight hundred twenty-eight thousand, two hundred forty-five".