97285639 has 8 divisors (see below), whose sum is σ = 106204032. Its totient is φ = 88379640.

The previous prime is 97285627. The next prime is 97285649. The reversal of 97285639 is 93658279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97285639 - 2¹³ = 97277447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97285592 and 97285601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97285609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22702 + ... + 26644.

It is an arithmetic number, because the mean of its divisors is an integer number (13275504).

Almost surely, 2^97285639 is an apocalyptic number.

97285639 is a deficient number, since it is larger than the sum of its proper divisors (8918393).

97285639 is a wasteful number, since it uses less digits than its factorization.

97285639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197.

The product of its digits is 816480, while the sum is 49.

The square root of 97285639 is about 9863.3482651684. The cubic root of 97285639 is about 459.9206526654.

The spelling of 97285639 in words is "ninety-seven million, two hundred eighty-five thousand, six hundred thirty-nine".