406922 has 4 divisors (see below), whose sum is σ = 610386. Its totient is φ = 203460.

The previous prime is 406907. The next prime is 406951. The reversal of 406922 is 229604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 231361 + 175561 = 481^2 + 419^2 .

It is an unprimeable number.

406922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101729 + ... + 101732.

2⁴⁰⁶⁹²² is an apocalyptic number.

406922 is a deficient number, since it is larger than the sum of its proper divisors (203464).

406922 is a wasteful number, since it uses less digits than its factorization.

406922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203463.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 406922 is about 637.9043815495. The cubic root of 406922 is about 74.1032160829.

The spelling of 406922 in words is "four hundred six thousand, nine hundred twenty-two".