36363639 has 16 divisors (see below), whose sum is σ = 52490592. Its totient is φ = 22259328.

The previous prime is 36363631. The next prime is 36363641. The reversal of 36363639 is 93636363.

It is not a de Polignac number, because 36363639 - 2³ = 36363631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 36363597 and 36363606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36363631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5317 + ... + 10049.

It is an arithmetic number, because the mean of its divisors is an integer number (3280662).

Almost surely, 2^36363639 is an apocalyptic number.

36363639 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

36363639 is a deficient number, since it is larger than the sum of its proper divisors (16126953).

36363639 is a wasteful number, since it uses less digits than its factorization.

36363639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946.

The product of its digits is 157464, while the sum is 39.

The square root of 36363639 is about 6030.2271101510. The cubic root of 36363639 is about 331.3007704784.

The spelling of 36363639 in words is "thirty-six million, three hundred sixty-three thousand, six hundred thirty-nine".