405348 has 24 divisors (see below), whose sum is σ = 1001952. Its totient is φ = 127104.

The previous prime is 405347. The next prime is 405373. The reversal of 405348 is 843504.

It is a happy number.

It is a super-2 number, since 2×405348² = 328614002208, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (405341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790 + ... + 1197.

It is an arithmetic number, because the mean of its divisors is an integer number (41748).

2⁴⁰⁵³⁴⁸ is an apocalyptic number.

It is an amenable number.

405348 is an abundant number, since it is smaller than the sum of its proper divisors (596604).

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

405348 is a wasteful number, since it uses less digits than its factorization.

405348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 405348 is about 636.6694589817. The cubic root of 405348 is about 74.0075473188.

The spelling of 405348 in words is "four hundred five thousand, three hundred forty-eight".