36887890 has 32 divisors (see below), whose sum is σ = 73447920. Its totient is φ = 13250304.

The previous prime is 36887887. The next prime is 36887899. The reversal of 36887890 is 9878863.

It is a happy number.

36887890 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 8 ways, for example, as 26946481 + 9941409 = 5191^2 + 3153^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (36887899) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 976 + ... + 8644.

Almost surely, 2^36887890 is an apocalyptic number.

36887890 is a deficient number, since it is larger than the sum of its proper divisors (36560030).

36887890 is a wasteful number, since it uses less digits than its factorization.

36887890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 36887890 is about 6073.5401538147. The cubic root of 36887890 is about 332.8852902643.

The spelling of 36887890 in words is "thirty-six million, eight hundred eighty-seven thousand, eight hundred ninety".