36642393 has 12 divisors (see below), whose sum is σ = 55713840. Its totient is φ = 23142456.

The previous prime is 36642383. The next prime is 36642409. The reversal of 36642393 is 39324663.

36642393 is a `hidden beast` number, since 3 + 6 + 642 + 3 + 9 + 3 = 666.

It is not a de Polignac number, because 36642393 - 2⁶ = 36642329 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36642313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106971 + ... + 107312.

It is an arithmetic number, because the mean of its divisors is an integer number (4642820).

Almost surely, 2^36642393 is an apocalyptic number.

It is an amenable number.

36642393 is a deficient number, since it is larger than the sum of its proper divisors (19071447).

36642393 is a wasteful number, since it uses less digits than its factorization.

36642393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214308 (or 214305 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 36642393 is about 6053.2960443051. The cubic root of 36642393 is about 332.1451710656.

The spelling of 36642393 in words is "thirty-six million, six hundred forty-two thousand, three hundred ninety-three".