36219905 has 8 divisors (see below), whose sum is σ = 43496232. Its totient is φ = 28954368.

The previous prime is 36219901. The next prime is 36219907. The reversal of 36219905 is 50991263.

It can be written as a sum of positive squares in 4 ways, for example, as 1915456 + 34304449 = 1384^2 + 5857^2 .

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 36219905 - 2² = 36219901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36219901) 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, 11369 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (5437029).

Almost surely, 2^36219905 is an apocalyptic number.

It is an amenable number.

36219905 is a deficient number, since it is larger than the sum of its proper divisors (7276327).

36219905 is a wasteful number, since it uses less digits than its factorization.

36219905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 36219905 is about 6018.2975167401. The cubic root of 36219905 is about 330.8636849207.

The spelling of 36219905 in words is "thirty-six million, two hundred nineteen thousand, nine hundred five".