36861628 has 12 divisors (see below), whose sum is σ = 65285640. Its totient is φ = 18208592.

The previous prime is 36861613. The next prime is 36861641. The reversal of 36861628 is 82616863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55183 + ... + 55846.

It is an arithmetic number, because the mean of its divisors is an integer number (5440470).

Almost surely, 2^36861628 is an apocalyptic number.

It is an amenable number.

36861628 is a deficient number, since it is larger than the sum of its proper divisors (28424012).

36861628 is a wasteful number, since it uses less digits than its factorization.

36861628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111116 (or 111114 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 36861628 is about 6071.3777678547. The cubic root of 36861628 is about 332.8062732846.

The spelling of 36861628 in words is "thirty-six million, eight hundred sixty-one thousand, six hundred twenty-eight".