36643350 has 48 divisors (see below), whose sum is σ = 91422720. Its totient is φ = 9712800.

The previous prime is 36643349. The next prime is 36643351. The reversal of 36643350 is 5334663.

It is an interprime number because it is at equal distance from previous prime (36643349) and next prime (36643351).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36643351) 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, 28011 + ... + 29289.

It is an arithmetic number, because the mean of its divisors is an integer number (1904640).

Almost surely, 2^36643350 is an apocalyptic number.

36643350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36643350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45711360).

36643350 is an abundant number, since it is smaller than the sum of its proper divisors (54779370).

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

36643350 is a wasteful number, since it uses less digits than its factorization.

36643350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 36643350 is about 6053.3750916328. The cubic root of 36643350 is about 332.1480626177.

The spelling of 36643350 in words is "thirty-six million, six hundred forty-three thousand, three hundred fifty".