97440285 has 16 divisors (see below), whose sum is σ = 160934400. Its totient is φ = 50291520.

The previous prime is 97440281. The next prime is 97440293. The reversal of 97440285 is 58204479.

It is not a de Polignac number, because 97440285 - 2² = 97440281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97440281) 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, 104310 + ... + 105239.

It is an arithmetic number, because the mean of its divisors is an integer number (10058400).

Almost surely, 2^97440285 is an apocalyptic number.

It is an amenable number.

97440285 is a deficient number, since it is larger than the sum of its proper divisors (63494115).

97440285 is a wasteful number, since it uses less digits than its factorization.

97440285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209588.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 97440285 is about 9871.1845793704. The cubic root of 97440285 is about 460.1642214537.

The spelling of 97440285 in words is "ninety-seven million, four hundred forty thousand, two hundred eighty-five".