97397669 has 4 divisors (see below), whose sum is σ = 97477644. Its totient is φ = 97317696.

The previous prime is 97397639. The next prime is 97397681. The reversal of 97397669 is 96679379.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37149025 + 60248644 = 6095^2 + 7762^2 .

It is a cyclic number.

It is not a de Polignac number, because 97397669 - 2⁸ = 97397413 is a prime.

It is a super-2 number, since 2×97397669² = 18972611853267122, which contains 22 as substring.

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 (97397609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38132 + ... + 40605.

It is an arithmetic number, because the mean of its divisors is an integer number (24369411).

Almost surely, 2^97397669 is an apocalyptic number.

It is an amenable number.

97397669 is a deficient number, since it is larger than the sum of its proper divisors (79975).

97397669 is a wasteful number, since it uses less digits than its factorization.

97397669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79974.

The product of its digits is 3857868, while the sum is 56.

The square root of 97397669 is about 9869.0257371232. The cubic root of 97397669 is about 460.0971266237.

The spelling of 97397669 in words is "ninety-seven million, three hundred ninety-seven thousand, six hundred sixty-nine".