366440 has 16 divisors (see below), whose sum is σ = 824580. Its totient is φ = 146560.

The previous prime is 366439. The next prime is 366461. The reversal of 366440 is 44663.

It can be written as a sum of positive squares in 2 ways, for example, as 357604 + 8836 = 598^2 + 94^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 366440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4541 + ... + 4620.

2³⁶⁶⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

366440 is an abundant number, since it is smaller than the sum of its proper divisors (458140).

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

366440 is a wasteful number, since it uses less digits than its factorization.

366440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172 (or 9168 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 366440 is about 605.3428780452. The cubic root of 366440 is about 71.5595539490.

The spelling of 366440 in words is "three hundred sixty-six thousand, four hundred forty".