406355 has 8 divisors (see below), whose sum is σ = 495312. Its totient is φ = 319968.

The previous prime is 406349. The next prime is 406361. The reversal of 406355 is 553604.

It is an interprime number because it is at equal distance from previous prime (406349) and next prime (406361).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406355 - 2⁴ = 406339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 941.

It is an arithmetic number, because the mean of its divisors is an integer number (61914).

2⁴⁰⁶³⁵⁵ is an apocalyptic number.

406355 is a deficient number, since it is larger than the sum of its proper divisors (88957).

406355 is a wasteful number, since it uses less digits than its factorization.

406355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 406355 is about 637.4598026543. The cubic root of 406355 is about 74.0687819213.

Adding to 406355 its reverse (553604), we get a palindrome (959959).

The spelling of 406355 in words is "four hundred six thousand, three hundred fifty-five".