97493445 has 24 divisors (see below), whose sum is σ = 193130496. Its totient is φ = 44568288.

The previous prime is 97493443. The next prime is 97493479. The reversal of 97493445 is 54439479.

It is a happy number.

It is not a de Polignac number, because 97493445 - 2¹ = 97493443 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 97493445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97493441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154437 + ... + 155066.

It is an arithmetic number, because the mean of its divisors is an integer number (8047104).

Almost surely, 2^97493445 is an apocalyptic number.

It is an amenable number.

97493445 is a deficient number, since it is larger than the sum of its proper divisors (95637051).

97493445 is a wasteful number, since it uses less digits than its factorization.

97493445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309521 (or 309518 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 97493445 is about 9873.8768981591. The cubic root of 97493445 is about 460.2478893903.

The spelling of 97493445 in words is "ninety-seven million, four hundred ninety-three thousand, four hundred forty-five".