36420939 has 18 divisors (see below), whose sum is σ = 54372708. Its totient is φ = 23491800.

The previous prime is 36420841. The next prime is 36420949. The reversal of 36420939 is 93902463.

It is a happy number.

36420939 is a `hidden beast` number, since 3 + 642 + 0 + 9 + 3 + 9 = 666.

It is not a de Polignac number, because 36420939 - 2⁹ = 36420427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36420949) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6544 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (3020706).

Almost surely, 2^36420939 is an apocalyptic number.

36420939 is a deficient number, since it is larger than the sum of its proper divisors (17951769).

36420939 is a wasteful number, since it uses less digits than its factorization.

36420939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 36420939 is about 6034.9763048416. The cubic root of 36420939 is about 331.4746948737.

The spelling of 36420939 in words is "thirty-six million, four hundred twenty thousand, nine hundred thirty-nine".