36409427 has 4 divisors (see below), whose sum is σ = 38551176. Its totient is φ = 34267680.

The previous prime is 36409411. The next prime is 36409459. The reversal of 36409427 is 72490463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72490463 = 5179 ⋅13997.

It is a cyclic number.

It is not a de Polignac number, because 36409427 - 2⁴ = 36409411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36409487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070849 + ... + 1070882.

It is an arithmetic number, because the mean of its divisors is an integer number (9637794).

Almost surely, 2^36409427 is an apocalyptic number.

36409427 is a deficient number, since it is larger than the sum of its proper divisors (2141749).

36409427 is a wasteful number, since it uses less digits than its factorization.

36409427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141748.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 36409427 is about 6034.0224560404. The cubic root of 36409427 is about 331.4397668084.

The spelling of 36409427 in words is "thirty-six million, four hundred nine thousand, four hundred twenty-seven".