405046 has 16 divisors (see below), whose sum is σ = 645120. Its totient is φ = 190440.

The previous prime is 405037. The next prime is 405047. The reversal of 405046 is 640504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405047) 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, 2845 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁴⁰⁵⁰⁴⁶ is an apocalyptic number.

405046 is a deficient number, since it is larger than the sum of its proper divisors (240074).

405046 is a wasteful number, since it uses less digits than its factorization.

405046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 405046 is about 636.4322430550. The cubic root of 405046 is about 73.9891632536.

It can be divided in two parts, 4050 and 46, that added together give a 12-th power (4096 = 2¹²).

The spelling of 405046 in words is "four hundred five thousand, forty-six".