97650144 has 48 divisors (see below), whose sum is σ = 284815440. Its totient is φ = 32549760.

The previous prime is 97650143. The next prime is 97650169. The reversal of 97650144 is 44105679.

It is a tau number, because it is divible by the number of its divisors (48).

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 = 97650099 and 97650108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97650143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55647 + ... + 57374.

It is an arithmetic number, because the mean of its divisors is an integer number (5933655).

Almost surely, 2^97650144 is an apocalyptic number.

It is an amenable number.

97650144 is an abundant number, since it is smaller than the sum of its proper divisors (187165296).

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

97650144 is a wasteful number, since it uses less digits than its factorization.

97650144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113040 (or 113026 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 97650144 is about 9881.8087413186. The cubic root of 97650144 is about 460.4943393929.

The spelling of 97650144 in words is "ninety-seven million, six hundred fifty thousand, one hundred forty-four".