36689436 has 90 divisors (see below), whose sum is σ = 111621048. Its totient is φ = 10478160.

The previous prime is 36689413. The next prime is 36689447. The reversal of 36689436 is 63498663.

It is a super-2 number, since 2×36689436² = 2692229427996192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36689391 and 36689400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14721 + ... + 17031.

Almost surely, 2^36689436 is an apocalyptic number.

36689436 is a gapful number since it is divisible by the number (36) 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 36689436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55810524).

36689436 is an abundant number, since it is smaller than the sum of its proper divisors (74931612).

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

36689436 is a wasteful number, since it uses less digits than its factorization.

36689436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2323 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 36689436 is about 6057.1805322278. The cubic root of 36689436 is about 332.2872507903.

The spelling of 36689436 in words is "thirty-six million, six hundred eighty-nine thousand, four hundred thirty-six".