36169421 has 8 divisors (see below), whose sum is σ = 39231864. Its totient is φ = 33210880.

The previous prime is 36169349. The next prime is 36169423. The reversal of 36169421 is 12496163.

It can be written as a sum of positive squares in 4 ways, for example, as 1225 + 36168196 = 35^2 + 6014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36169421 - 2²² = 31975117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36169423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25250 + ... + 26643.

It is an arithmetic number, because the mean of its divisors is an integer number (4903983).

Almost surely, 2^36169421 is an apocalyptic number.

It is an amenable number.

36169421 is a deficient number, since it is larger than the sum of its proper divisors (3062443).

36169421 is a wasteful number, since it uses less digits than its factorization.

36169421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51951.

The product of its digits is 7776, while the sum is 32.

The square root of 36169421 is about 6014.1018448310. The cubic root of 36169421 is about 330.7098920569.

The spelling of 36169421 in words is "thirty-six million, one hundred sixty-nine thousand, four hundred twenty-one".