97896189 has 8 divisors (see below), whose sum is σ = 137398240. Its totient is φ = 61829136.

The previous prime is 97896187. The next prime is 97896221. The reversal of 97896189 is 98169879.

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

It is not a de Polignac number, because 97896189 - 2¹ = 97896187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 1717477 = 97896189 / (9 + 7 + 8 + 9 + 6 + 1 + 8 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97896181) 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, 858682 + ... + 858795.

It is an arithmetic number, because the mean of its divisors is an integer number (17174780).

Almost surely, 2^97896189 is an apocalyptic number.

It is an amenable number.

97896189 is a deficient number, since it is larger than the sum of its proper divisors (39502051).

97896189 is a wasteful number, since it uses less digits than its factorization.

97896189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717499.

The product of its digits is 1959552, while the sum is 57.

The square root of 97896189 is about 9894.2503000480. The cubic root of 97896189 is about 460.8807778115.

The spelling of 97896189 in words is "ninety-seven million, eight hundred ninety-six thousand, one hundred eighty-nine".