366811940 has 96 divisors (see below), whose sum is σ = 865904256. Its totient is φ = 129392640.

The previous prime is 366811937. The next prime is 366811957. The reversal of 366811940 is 49118663.

It is a junction number, because it is equal to n+sod(n) for n = 366811894 and 366811903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1900484 + ... + 1900676.

It is an arithmetic number, because the mean of its divisors is an integer number (9019836).

Almost surely, 2^366811940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366811940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432952128).

366811940 is an abundant number, since it is smaller than the sum of its proper divisors (499092316).

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

366811940 is a wasteful number, since it uses less digits than its factorization.

366811940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 366811940 is about 19152.3351056731. The cubic root of 366811940 is about 715.8375696583.

The spelling of 366811940 in words is "three hundred sixty-six million, eight hundred eleven thousand, nine hundred forty".