36690487 has 2 divisors, whose sum is σ = 36690488. Its totient is φ = 36690486.

The previous prime is 36690461. The next prime is 36690509. The reversal of 36690487 is 78409663.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (78409663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36690487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36690187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18345243 + 18345244.

It is an arithmetic number, because the mean of its divisors is an integer number (18345244).

Almost surely, 2^36690487 is an apocalyptic number.

36690487 is a deficient number, since it is larger than the sum of its proper divisors (1).

36690487 is an equidigital number, since it uses as much as digits as its factorization.

36690487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 36690487 is about 6057.2672881424. The cubic root of 36690487 is about 332.2904236434.

The spelling of 36690487 in words is "thirty-six million, six hundred ninety thousand, four hundred eighty-seven".