36398381 has 8 divisors (see below), whose sum is σ = 36979200. Its totient is φ = 35820720.

The previous prime is 36398303. The next prime is 36398387. The reversal of 36398381 is 18389363.

36398381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36398381 - 2¹⁴ = 36381997 is a prime.

It is a super-2 number, since 2×36398381² = 2649684278842322, 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 (36398387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33515 + ... + 34583.

It is an arithmetic number, because the mean of its divisors is an integer number (4622400).

Almost surely, 2^36398381 is an apocalyptic number.

It is an amenable number.

36398381 is a deficient number, since it is larger than the sum of its proper divisors (580819).

36398381 is a wasteful number, since it uses less digits than its factorization.

36398381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its digits is 93312, while the sum is 41.

The square root of 36398381 is about 6033.1070767889. The cubic root of 36398381 is about 331.4062456916.

The spelling of 36398381 in words is "thirty-six million, three hundred ninety-eight thousand, three hundred eighty-one".