36347897 has 4 divisors (see below), whose sum is σ = 36429300. Its totient is φ = 36266496.

The previous prime is 36347891. The next prime is 36347911. The reversal of 36347897 is 79874363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79874363 = 223 ⋅358181.

It can be written as a sum of positive squares in 2 ways, for example, as 14622976 + 21724921 = 3824^2 + 4661^2 .

It is a cyclic number.

It is not a de Polignac number, because 36347897 - 2⁶ = 36347833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36347891) 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, 40028 + ... + 40925.

It is an arithmetic number, because the mean of its divisors is an integer number (9107325).

Almost surely, 2^36347897 is an apocalyptic number.

It is an amenable number.

36347897 is a deficient number, since it is larger than the sum of its proper divisors (81403).

36347897 is an equidigital number, since it uses as much as digits as its factorization.

36347897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81402.

The product of its digits is 762048, while the sum is 47.

The square root of 36347897 is about 6028.9217112184. The cubic root of 36347897 is about 331.2529563282.

The spelling of 36347897 in words is "thirty-six million, three hundred forty-seven thousand, eight hundred ninety-seven".