36621851 has 8 divisors (see below), whose sum is σ = 42096864. Its totient is φ = 31207680.

The previous prime is 36621833. The next prime is 36621863. The reversal of 36621851 is 15812663.

It is a happy number.

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

It is not a de Polignac number, because 36621851 - 2¹⁴ = 36605467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36621811) 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, 13910 + ... + 16331.

It is an arithmetic number, because the mean of its divisors is an integer number (5262108).

Almost surely, 2^36621851 is an apocalyptic number.

36621851 is a deficient number, since it is larger than the sum of its proper divisors (5475013).

36621851 is a wasteful number, since it uses less digits than its factorization.

36621851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30421.

The product of its digits is 8640, while the sum is 32.

The square root of 36621851 is about 6051.5990448806. The cubic root of 36621851 is about 332.0830917731.

The spelling of 36621851 in words is "thirty-six million, six hundred twenty-one thousand, eight hundred fifty-one".