36430381 has 4 divisors (see below), whose sum is σ = 39232732. Its totient is φ = 33628032.

The previous prime is 36430369. The next prime is 36430403. The reversal of 36430381 is 18303463.

36430381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18303463 = 1373 ⋅13331.

It can be written as a sum of positive squares in 2 ways, for example, as 2102500 + 34327881 = 1450^2 + 5859^2 .

It is a cyclic number.

It is not a de Polignac number, because 36430381 - 2⁵ = 36430349 is a prime.

It is a super-2 number, since 2×36430381² = 2654345319610322, 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 (36433381) 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 3 ways as a sum of consecutive naturals, for example, 1401156 + ... + 1401181.

It is an arithmetic number, because the mean of its divisors is an integer number (9808183).

Almost surely, 2^36430381 is an apocalyptic number.

It is an amenable number.

36430381 is a deficient number, since it is larger than the sum of its proper divisors (2802351).

36430381 is a wasteful number, since it uses less digits than its factorization.

36430381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802350.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 36430381 is about 6035.7585273104. The cubic root of 36430381 is about 331.5033369473.

The spelling of 36430381 in words is "thirty-six million, four hundred thirty thousand, three hundred eighty-one".