97828844 has 48 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 45139776.

The previous prime is 97828837. The next prime is 97828847. The reversal of 97828844 is 44882879.

It is a junction number, because it is equal to n+sod(n) for n = 97828792 and 97828801.

It is not an unprimeable number, because it can be changed into a prime (97828847) 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, 363542 + ... + 363810.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 2^97828844 is an apocalyptic number.

It is an amenable number.

97828844 is a deficient number, since it is larger than the sum of its proper divisors (87239956).

97828844 is a wasteful number, since it uses less digits than its factorization.

97828844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 97828844 is about 9890.8464754034. The cubic root of 97828844 is about 460.7750701353.

The spelling of 97828844 in words is "ninety-seven million, eight hundred twenty-eight thousand, eight hundred forty-four".