406632 has 16 divisors (see below), whose sum is σ = 1016640. Its totient is φ = 135536.

The previous prime is 406631. The next prime is 406633. The reversal of 406632 is 236604.

It is an interprime number because it is at equal distance from previous prime (406631) and next prime (406633).

It is a junction number, because it is equal to n+sod(n) for n = 406599 and 406608.

It is not an unprimeable number, because it can be changed into a prime (406631) 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, 8448 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (63540).

2⁴⁰⁶⁶³² is an apocalyptic number.

It is an amenable number.

406632 is an abundant number, since it is smaller than the sum of its proper divisors (610008).

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

406632 is a wasteful number, since it uses less digits than its factorization.

406632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952 (or 16948 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 406632 is about 637.6770342423. The cubic root of 406632 is about 74.0856082533.

The spelling of 406632 in words is "four hundred six thousand, six hundred thirty-two".