369405 has 12 divisors (see below), whose sum is σ = 640380. Its totient is φ = 196992.

The previous prime is 369361. The next prime is 369407. The reversal of 369405 is 504963.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71289 + 298116 = 267^2 + 546^2 .

It is not a de Polignac number, because 369405 - 2¹¹ = 367357 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4060 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (53365).

2³⁶⁹⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

369405 is a deficient number, since it is larger than the sum of its proper divisors (270975).

369405 is a wasteful number, since it uses less digits than its factorization.

369405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220 (or 8217 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 369405 is about 607.7869692581. The cubic root of 369405 is about 71.7520405560.

The spelling of 369405 in words is "three hundred sixty-nine thousand, four hundred five".