36399616 has 80 divisors (see below), whose sum is σ = 83083968. Its totient is φ = 15769600.

The previous prime is 36399613. The next prime is 36399619. The reversal of 36399616 is 61699363.

It is an interprime number because it is at equal distance from previous prime (36399613) and next prime (36399619).

It is not an unprimeable number, because it can be changed into a prime (36399613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129396 + ... + 129676.

Almost surely, 2^36399616 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 36399616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41541984).

36399616 is an abundant number, since it is smaller than the sum of its proper divisors (46684352).

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

36399616 is a wasteful number, since it uses less digits than its factorization.

36399616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 317 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 36399616 is about 6033.2094278253. The cubic root of 36399616 is about 331.4099938627.

The spelling of 36399616 in words is "thirty-six million, three hundred ninety-nine thousand, six hundred sixteen".