36021399 has 8 divisors (see below), whose sum is σ = 48316800. Its totient is φ = 23870136.

The previous prime is 36021379. The next prime is 36021407. The reversal of 36021399 is 99312063.

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

It is not a de Polignac number, because 36021399 - 2⁵ = 36021367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36021379) 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, 35449 + ... + 36450.

It is an arithmetic number, because the mean of its divisors is an integer number (6039600).

Almost surely, 2^36021399 is an apocalyptic number.

36021399 is a deficient number, since it is larger than the sum of its proper divisors (12295401).

36021399 is a wasteful number, since it uses less digits than its factorization.

36021399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72069.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 36021399 is about 6001.7829850804. The cubic root of 36021399 is about 330.2581359503.

The spelling of 36021399 in words is "thirty-six million, twenty-one thousand, three hundred ninety-nine".