36697849 has 4 divisors (see below), whose sum is σ = 38856564. Its totient is φ = 34539136.

The previous prime is 36697799. The next prime is 36697861. The reversal of 36697849 is 94879663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94879663 = 9281 ⋅10223.

It can be written as a sum of positive squares in 2 ways, for example, as 18550249 + 18147600 = 4307^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 36697849 - 2¹¹ = 36695801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36697796 and 36697805.

It is not an unprimeable number, because it can be changed into a prime (36691849) 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, 1079332 + ... + 1079365.

It is an arithmetic number, because the mean of its divisors is an integer number (9714141).

Almost surely, 2^36697849 is an apocalyptic number.

It is an amenable number.

36697849 is a deficient number, since it is larger than the sum of its proper divisors (2158715).

36697849 is a wasteful number, since it uses less digits than its factorization.

36697849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158714.

The product of its digits is 1959552, while the sum is 52.

The square root of 36697849 is about 6057.8749574418. The cubic root of 36697849 is about 332.3126470106.

The spelling of 36697849 in words is "thirty-six million, six hundred ninety-seven thousand, eight hundred forty-nine".