36690444 has 144 divisors (see below), whose sum is σ = 114150400. Its totient is φ = 9704448.

The previous prime is 36690439. The next prime is 36690461. The reversal of 36690444 is 44409663.

36690444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 36690399 and 36690408.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 378204 + ... + 378300.

Almost surely, 2^36690444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36690444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57075200).

36690444 is an abundant number, since it is smaller than the sum of its proper divisors (77459956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36690444 is a wasteful number, since it uses less digits than its factorization.

36690444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 36690444 is about 6057.2637386860. The cubic root of 36690444 is about 332.2902938323.

The spelling of 36690444 in words is "thirty-six million, six hundred ninety thousand, four hundred forty-four".