36887621 has 8 divisors (see below), whose sum is σ = 37920000. Its totient is φ = 35865648.

The previous prime is 36887611. The next prime is 36887647. The reversal of 36887621 is 12678863.

It is a happy number.

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 36887621 - 2²² = 32693317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36887611) 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, 4880 + ... + 9878.

It is an arithmetic number, because the mean of its divisors is an integer number (4740000).

Almost surely, 2^36887621 is an apocalyptic number.

It is an amenable number.

36887621 is a deficient number, since it is larger than the sum of its proper divisors (1032379).

36887621 is a wasteful number, since it uses less digits than its factorization.

36887621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203.

The product of its digits is 96768, while the sum is 41.

The square root of 36887621 is about 6073.5180085351. The cubic root of 36887621 is about 332.8844810885.

The spelling of 36887621 in words is "thirty-six million, eight hundred eighty-seven thousand, six hundred twenty-one".