36446140 has 12 divisors (see below), whose sum is σ = 76536936. Its totient is φ = 14578448.

The previous prime is 36446117. The next prime is 36446141. The reversal of 36446140 is 4164463.

It is a happy number.

It is a super-2 number, since 2×36446140² = 2656642241799200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36446099 and 36446108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36446141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911134 + ... + 911173.

It is an arithmetic number, because the mean of its divisors is an integer number (6378078).

Almost surely, 2^36446140 is an apocalyptic number.

It is an amenable number.

36446140 is an abundant number, since it is smaller than the sum of its proper divisors (40090796).

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

36446140 is a wasteful number, since it uses less digits than its factorization.

36446140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822316 (or 1822314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 36446140 is about 6037.0638558823. The cubic root of 36446140 is about 331.5511304632.

The spelling of 36446140 in words is "thirty-six million, four hundred forty-six thousand, one hundred forty".