36281905 has 8 divisors (see below), whose sum is σ = 47496384. Its totient is φ = 26386800.

The previous prime is 36281899. The next prime is 36281909. The reversal of 36281905 is 50918263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36281905 - 2²³ = 27893297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36281909) 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, 329781 + ... + 329890.

It is an arithmetic number, because the mean of its divisors is an integer number (5937048).

Almost surely, 2^36281905 is an apocalyptic number.

It is an amenable number.

36281905 is a deficient number, since it is larger than the sum of its proper divisors (11214479).

36281905 is a wasteful number, since it uses less digits than its factorization.

36281905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659687.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 36281905 is about 6023.4462726914. The cubic root of 36281905 is about 331.0523643663.

The spelling of 36281905 in words is "thirty-six million, two hundred eighty-one thousand, nine hundred five".