36399552 has 168 divisors, whose sum is σ = 115708176. Its totient is φ = 10063872.

The previous prime is 36399551. The next prime is 36399563. The reversal of 36399552 is 25599363.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36399551) 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 in 23 ways as a sum of consecutive naturals, for example, 498588 + ... + 498660.

Almost surely, 2^36399552 is an apocalyptic number.

36399552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36399552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57854088).

36399552 is an abundant number, since it is smaller than the sum of its proper divisors (79308624).

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

36399552 is a wasteful number, since it uses less digits than its factorization.

36399552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 138 counting only the distinct ones).

The product of its digits is 218700, while the sum is 42.

The square root of 36399552 is about 6033.2041238466. The cubic root of 36399552 is about 331.4097996276.

The spelling of 36399552 in words is "thirty-six million, three hundred ninety-nine thousand, five hundred fifty-two".