36821616 has 40 divisors (see below), whose sum is σ = 102441360. Its totient is φ = 11329536.

The previous prime is 36821593. The next prime is 36821651. The reversal of 36821616 is 61612863.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28881 + ... + 30128.

It is an arithmetic number, because the mean of its divisors is an integer number (2561034).

Almost surely, 2^36821616 is an apocalyptic number.

It is an amenable number.

36821616 is an abundant number, since it is smaller than the sum of its proper divisors (65619744).

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

36821616 is a wasteful number, since it uses less digits than its factorization.

36821616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59033 (or 59027 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 36821616 is about 6068.0817397263. The cubic root of 36821616 is about 332.6858131897.

The spelling of 36821616 in words is "thirty-six million, eight hundred twenty-one thousand, six hundred sixteen".