97538369 has 4 divisors (see below), whose sum is σ = 100684800. Its totient is φ = 94391940.

The previous prime is 97538359. The next prime is 97538407. The reversal of 97538369 is 96383579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97538369 - 2¹⁶ = 97472833 is a prime.

It is a super-2 number, since 2×97538369² = 19027466854360322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97538359) 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, 1573169 + ... + 1573230.

It is an arithmetic number, because the mean of its divisors is an integer number (25171200).

Almost surely, 2^97538369 is an apocalyptic number.

It is an amenable number.

97538369 is a deficient number, since it is larger than the sum of its proper divisors (3146431).

97538369 is a wasteful number, since it uses less digits than its factorization.

97538369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146430.

The product of its digits is 1224720, while the sum is 50.

The square root of 97538369 is about 9876.1515277966. The cubic root of 97538369 is about 460.3185710694.

The spelling of 97538369 in words is "ninety-seven million, five hundred thirty-eight thousand, three hundred sixty-nine".