36407381 has 4 divisors (see below), whose sum is σ = 36450432. Its totient is φ = 36364332.

The previous prime is 36407359. The next prime is 36407419. The reversal of 36407381 is 18370463.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18370463 = 37 ⋅496499.

It is a cyclic number.

It is not a de Polignac number, because 36407381 - 2⁶ = 36407317 is a prime.

It is a super-2 number, since 2×36407381² = 2650994782558322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36407341) 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, 20231 + ... + 21956.

It is an arithmetic number, because the mean of its divisors is an integer number (9112608).

Almost surely, 2^36407381 is an apocalyptic number.

It is an amenable number.

36407381 is a deficient number, since it is larger than the sum of its proper divisors (43051).

36407381 is an equidigital number, since it uses as much as digits as its factorization.

36407381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43050.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 36407381 is about 6033.8529150121. The cubic root of 36407381 is about 331.4335583570.

The spelling of 36407381 in words is "thirty-six million, four hundred seven thousand, three hundred eighty-one".