36821516 has 6 divisors (see below), whose sum is σ = 64437660. Its totient is φ = 18410756.

The previous prime is 36821513. The next prime is 36821531. The reversal of 36821516 is 61512863.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36821513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4602686 + ... + 4602693.

It is an arithmetic number, because the mean of its divisors is an integer number (10739610).

Almost surely, 2^36821516 is an apocalyptic number.

It is an amenable number.

36821516 is a deficient number, since it is larger than the sum of its proper divisors (27616144).

36821516 is a wasteful number, since it uses less digits than its factorization.

36821516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205383 (or 9205381 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 36821516 is about 6068.0734998845. The cubic root of 36821516 is about 332.6855120205.

The spelling of 36821516 in words is "thirty-six million, eight hundred twenty-one thousand, five hundred sixteen".