408265 has 16 divisors (see below), whose sum is σ = 576576. Its totient is φ = 273600.

The previous prime is 408263. The next prime is 408271. The reversal of 408265 is 562804.

408265 = T₇₈ + T₇₉ + ... + T₁₄₂.

408265 = 45² + 46² + ... + 109².

408265 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 408265 - 2¹ = 408263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430 + ... + 1000.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2⁴⁰⁸²⁶⁵ is an apocalyptic number.

It is an amenable number.

408265 is a deficient number, since it is larger than the sum of its proper divisors (168311).

408265 is a wasteful number, since it uses less digits than its factorization.

408265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 408265 is about 638.9561800312. The cubic root of 408265 is about 74.1846496533.

The spelling of 408265 in words is "four hundred eight thousand, two hundred sixty-five".