36402331 has 8 divisors (see below), whose sum is σ = 42129920. Its totient is φ = 30806568.

The previous prime is 36402323. The next prime is 36402341. The reversal of 36402331 is 13320463.

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 36402331 - 2³ = 36402323 is a prime.

It is a super-2 number, since 2×36402331² = 2650259404467122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36402341) 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, 32361 + ... + 33466.

It is an arithmetic number, because the mean of its divisors is an integer number (5266240).

Almost surely, 2^36402331 is an apocalyptic number.

36402331 is a deficient number, since it is larger than the sum of its proper divisors (5727589).

36402331 is an equidigital number, since it uses as much as digits as its factorization.

36402331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65913.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 36402331 is about 6033.4344282506. The cubic root of 36402331 is about 331.4182334713.

Adding to 36402331 its reverse (13320463), we get a palindrome (49722794).

The spelling of 36402331 in words is "thirty-six million, four hundred two thousand, three hundred thirty-one".