406554 has 8 divisors (see below), whose sum is σ = 813120. Its totient is φ = 135516.

The previous prime is 406547. The next prime is 406559. The reversal of 406554 is 455604.

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

406554 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (406559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33874 + ... + 33885.

It is an arithmetic number, because the mean of its divisors is an integer number (101640).

2⁴⁰⁶⁵⁵⁴ is an apocalyptic number.

406554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

406554 is a wasteful number, since it uses less digits than its factorization.

406554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67764.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 406554 is about 637.6158718225. The cubic root of 406554 is about 74.0808709257.

The spelling of 406554 in words is "four hundred six thousand, five hundred fifty-four".