36621845 has 8 divisors (see below), whose sum is σ = 47326776. Its totient is φ = 27043776.

The previous prime is 36621833. The next prime is 36621863. The reversal of 36621845 is 54812663.

36621845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3972049 + 32649796 = 1993^2 + 5714^2 .

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 36621845 - 2¹⁶ = 36556309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281642 + ... + 281771.

It is an arithmetic number, because the mean of its divisors is an integer number (5915847).

Almost surely, 2^36621845 is an apocalyptic number.

It is an amenable number.

36621845 is a deficient number, since it is larger than the sum of its proper divisors (10704931).

36621845 is a wasteful number, since it uses less digits than its factorization.

36621845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563431.

The product of its digits is 34560, while the sum is 35.

The square root of 36621845 is about 6051.5985491439. The cubic root of 36621845 is about 332.0830736373.

The spelling of 36621845 in words is "thirty-six million, six hundred twenty-one thousand, eight hundred forty-five".